宜宾市名校新高考物理100实验题合集含解析

《宜宾市名校新高考物理100实验题合集含解析》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

[wordᦻ᫏௃᪥ὃᱥᳮ100⚪ᔠ⌱ὃᱥᳮ⚪100⚪ᫀᨵ᪆1.“"#Ḅ%&'()*ᑣ”Ḅ-.᝞0ᡠ23ᐸ5A67*89ᩩḄ0┑Q689ᩩ=>?Ḅ@AQBBOC6>?.ḄD⌕ḄFGᨵHA.ᙠJKLMᙽOᩈQ3ᙠOᩈQKRMSTU3ᵨ0┑WTU┑ᙠOᩈQKXB.ᵨ0┑W89ᩩḄMY7*ᙠQKḄAA3ᙠ89ᩩḄZMY[K\ᩩ>?3>?ḄZMY]Ḽ?ᝅXC.ᵨ\`abc#dᑖfgh?ᝅ3iᡂklᙢn89ᩩ,p89ᩩqr3@AᑮtMu.O,vwxOAḄu.3yz\`abc#dḄ2ᦪXD.ᢥ⌱}Ḅ᪗l3ᵨBlz\abc#dḄn#6BF2Ḅ023ᵨ%&'()*ᑣzᔠ#F;E.ᵨMabc#d3>?ᝅn89ᩩpᐸqr3yzabc#dḄ2ᦪ3vx>?ḄOᔣ3ᢥM᪗lz`#FḄ02XF.FBFḄᜧBOᔣ3ᔲ3z@.1
KFG5,ᨵ⌕⍡ḄFGḄBX¡¢2
᪷¤ᦪ¤ᙠTUKᡠ0᝞0¥ᡠ23¦§¨5©ª«.জ¥05ஹF2ஹFஹF''`#3ᐸ5#K¡¢®ᵫabc#d°±cḄ5.ঝ³0c´5Mabc#dḄ2ᦪ3yzµ#ᜧ6N.2.¶·¸ᑴº»⊤c´M`ᵯ¾Ḅ¾¿3ÀÁḄᘤᩞ᝞x:A.Åcᵯ¾R.Æ200C
B.ᵯÇᵯÈÉEÆ1.4V,ᑁ¾rÆ10஺¢C.ᮣÍᵯÎdG´¨1mA,ᑁ¾Rg=200Q

1D.ᵯ¾Ri=50CE.ᵯ¾R2=200஺F.ÏÈоᘤR¾¿Ò60-500Q
ÓÔᐵ3Ö×ØÙ(a)(b)(c)1
ᵫÚᵯÇᵯÈÉÛ§3µ¶Üᑖ᪆Ý3Þdß᝞0
a
Ḅc´ᵯà஺áᑖFG᝞xHᐜãᔠÔᐵS1ஹS,ä⁚ÏÈоᘤR,pᮣÍᵯÎd2ᦪL=0.90mA,æçᵯàèᵯÎ1è=mA2ফçczᵯÈÉL35VÝ3µ¶ᡂᕒᙠ0
a
ḄìẠK3îᣵ\Ôᐵ3ðñ\ò⊤MஹN,ᐸóᘤᩞ®Ð3ᦋ-ᡂM`º»⊤3᝞0
b
,ᑣ⊤M6⌱“õ⊤”ᡈ“÷⊤ᵨᦋ-ÝḄº»⊤ᐜø&ᵯ¾äù3úc´R,¾¿3ᮣÍᵯÎdḄ2ᦪI᝞0
c
,Åcᵯ¾RஹḄ¾¿63.ᵨ᝞0ᵬᡠ2-.Ẇý%þÿ஺ᑏᙠḄ஺ᳫ⍝PQQ!"#$%ᙠ&'ᢱMN஺ᵫ*ᢱ☠,-./0$ᳫ%ᙠᢱ1$ᳫ.☢3ᙠᢴ5#-678!஺9ᢱ$:;<ᳫ$᝞>$ᶇ-@ᑡ78!஺ᵬ1
ᑡBCᩩEFGHIḄᨵ;A.⍝ᐝB.⍝MN&'C.ᢱOPQRSTᓄD.VWXYḄZ[\]^P;<ᳫফ`aẆc$def&'gᔣ`ijஹgᔣ`jḄᙶ᪗@na.o'pqḄrs!`ᙶ᪗t!$ᳫ☟[*Q!$ᳫḄw⌱y“ᨬ|”ஹ“ᨬ|”ᡈὅ“ᳫ”ḄZ[ᓽ`t!nᙠyj1w⌱y“◤⌕”ᡈὅ“◤⌕j┴'nb.⍡'p8Ḅrs!$ᢥgᜐᳮᦪ᝞ᡠ$ᙠ8oAஹBஹC!,

2ABBCḄ&'RSXQ¡ᙳ`X,£¤ABBCḄRSᑖ¦§%%$ᑣ%⌱y"ᜧ*“ஹ“Q*”ᡈὅ“¬*”)஺®¤ᳫ'pḄ]^Pᜧ¬`(°±²ᙢ´µ^P`g,¶·ᵨ¹º⊤)஺(3)`¼¤ᑮ'pᱥ¿Ḅq8$YÀÁÂÃ#¼fÄgᫀ$ᐸÇḄ§;A.ÈÉ&'Ê#ËḄÈ&Ì$Í᤬᯿ᱏ$ᓽ¤ᑮ'pq8B.ᵨ⚣Ò᯿XᙠY-Óᱏ'p¬ᳫᙠY1ÔḄZ[$'ÕÖᔜZ[$ᓽ¤ᑮ'pq8C.ØÙᚖ*Ḅ<[$ÙÛÜ☠$ØÙf-]^P&'p#$3ᙠᶇÙÛḄ'pq8(4)ÝᑭᶍàẆcá'pq$âãäY-åæ&'çèḄåé$᝞·êëìí´$îïÁðèñò$ᙠëÇ"Ḅ1Ró-᪵஺õB▭÷¼'pᱥ¿.A.ᙠ&'gᔣùᒴ^qB.ᙠgᔣùûᵫ%¿qC.ᙠ%áüÇýþðÿឤ4.ᵨ᝞ᡠḄẆ.ᢥ᝞Ḅᑮᦪজ"#$%&ᘤ()*ᙠ,⍝./0☟23)4ᳫ.ঝ"#$%&ᘤ78)ᙠ9:;<=9ᜐ(@AB0)*ᙠ,⍝./0☟23)4ᳫ*4ᳫDE@#$%&ᘤ.123456MNOVo(m/s)1.0241.2011.1761.1530.9421.060PQRSt(s)0.2460.2490.2480.1730.2120.189পG◀#$%&ᘤ᜜*J◤ᵨᑮḄ%&ᘤL

3(2)᪷⊤WXY*#$%&ᘤ()R*=94ᳫ:;ḄZO[_m#$%&ᘤ78)R*=94ᳫ:;Ḅ(=9[_m.5./\]/ᵯ_*`abcᵯdḄᵯeEfᑁhr,iaRbcjYᵯhRஹḄhl஺ᘤᩞ᝞A.ᵯd(o⁚qᵯd)B.rbᵯhR,([100)C.ᵯs⊤Vi(ct3Vஹᑁhuᜧ)D.ᵯs⊤V2(ct6Vஹᑁhuᜧ)E.ᵯhwR(ᨬᜧhl99.9஺)F.yᐵ{*|B}q~᝞(1)"ᘤᩞᡂ᝞(a)ᡠḄᵯ_*ᔠyᐵ*⁚ᵯhwḄhl*ᐜᵯs⊤Vi*⌲ᵯhwḄhl*ᑖ:{ᵯs⊤Ḅᦪ஺ᙶ᪗*ᑮḄ᝞(b)ᡠ஺ᵫXrbᵯhRஹ=—஺(ᶇ0ᨵᦔᦪ¢)஺J]-I](3)(c)ᑖL£ᵯs⊤Ḅᦪ¤ᙶ᪗*£ᵯs⊤ᦪ¥¦§ᵯhwhlḄ¨lᙶR᪗ᑮ஺ᵫXᵯdḄᵯeE—V,ᑁhr=QBḄ©;Ḅᙶ᪗_A,¤ᙶ᪗V.(ᙳᶇ0ᨵᦔᦪ¢)6.ᵨᵬᡠḄᐗ®“°±4²³Ḅ´µᱯឋ¸B”Ḅ஺4²³º<ᵯs[2.5Vº<ᵯ»[0.3A«¼ᡂᑡᔜ4⚪஺(1)ᵬ@ÀÁ:ÂᑖB*ÃᙠÄÅẠǼᡂᵯ_ᐗᵬ

4(2)ᙠÈQḄÉbc@*ᵯs⊤ஹᵯ»⊤Ḅᦪ᝞Êᡠ*ᑣᵯsV,ᵯ»A,ÄR4²³ḄÌ᳛W»বᑡᨵo/ᐵÏ4²³´µᱯឋ¸BḄÐ*ᐸ@ÒÓḄL7.ᵨ᝞ᵬᡠÔÕᙽ(×Øᐝᱏ)fÛᱥᡂḄÝÞßàaáឤ஺ᐝᵯâã<ᙠäå|,ÇB;஺~᝞:জᵨᜩbÕᙽ(×Øᐝᱏ)ècMfÛᱥècm,ᵨéêbëᘤbØᐝᱏìOd஺bM=3.0kg,m=1.0kgoঝÒÓµ*᦮äå|,îᐸ(*᦮Õï*îðB§|,Q஺ঞᙠäå|,ÇÓ<;A,Õᙽᵫ☟2òA;3)*óôÕᙽõöᐝᵯâØᐝᱏḄᢱᐝRS4ᵨøOùbAஹB;S=9s஺টᦋüA;0*Ûýþঞ~*ᑮ᝞⊤ᦪ123456s/cm20.030.040.050.060.070.0A//(xlO-3s)2.191.781.551.381.261.17ÿ
ᑡ⚪পᐝᱏḄdḄ᝞ᡠᑣd=mm,(2)ᙽᙠ!"#ᐙ"%᦮"#'ᙽ)*+,-./஺ব234ᑖ᪆ᜐᳮ⊤:;3<ᦪ>ᑣ?@ABCDEḄFGHIJEp=J,BCKLḄMIEk=Jo᪷>O@PQR34+,ᙠSTVᑁBCXYIZឤ஺(g\9.80m/s2,O@PQ]ᶇ3_ᨵᦔᦪb)(4)de_34+,f☢h4⌱j/e<ᦪ>?klᑭᵨ⊤:ᐰpᦪ>qr/sᦪᐵBuuveᩩxᙶ᪗{|Ḅ}~஺,11A.s—B.s—JᔆC.s------D.s................-tAr8.(1)᝞ᡠḄ᧜“ᵨᑖḄᜧ”:Ḅᢥᐜ᣸ᑡv(ᵨ⊤)

5(2)ᵨ“”ᩭᶍᑖḄᜧv¢xe£¤4Ḅ¥¦ᜐᳮ§£ᜐᳮᨵ஺(3)234¢x¨rḄᦪ>O@ᑖ}©ª«O@PQ¬▭®¯ᜧ)Ivᵫ±()A.⏚³´ᐰᦣ¶B.⏚·¸¹º±▭®C.O@☢»ᡠᨵ¼½e¾Ḅ¿¾O,e¾D.ÀÁ·¸Ã»1mLḄ·¸ḄÂᦪÄÅ/10Â9.2<,/¨ᙽÆ-.⍝ÈḄM᥅ÊËÌÍO᝞(a)ᡠḄÎÏÐÑÒÓÔÕᙠᢱ×Aᜐ±{ØḄÐÑÙÚ_±C,ÐÑÆᙽÛÜݼÞÛᙽßÎ/,dḄᐝ×,⍝BᜐÎᨵᐝᵯâ஺পḄã⌕᝞
জᵨæ᪗ᓱè¨ᐝᱏḄd,᝞(b)ᡠd=cmঝᙽᔣÒëìÐÑᵫ☟îïᙽ3Åðᐝᱏ¢xᐝᵯâḄÈt;ঞ¨òÅðᐝᵯâÆᙽóîôM_ÏõÈḄö÷xটᦋúÐÑëì¨ÄûFüঝýঞ஺(2)þXḄᦪ>òᜐᳮ᝞
஺1234*6M/஻0.040.05o.oe0.080.100.12HKJr/cm17.0110.887.574.262.731.88

6v}/(m:/»2)জ<᪷>⊤ᦪ>ᙠFeX:ÿ

ḄI?xঝ᪷ᡠᙽ⍝Ḅ᥅!ᦪ#(g$10m/s2,%&'ᶇ)*ᨵᦔᦪ-)஺10.012ᑭᵨᵬᡠ6Ḅ789:“ᵨ<=⊡?@ABCDE=ஹGHḄᐵJ”ḄLM஺᝞OABPQ☢CDPSTᨵUVḄWᩈYᙠᐸ⊤☢]1*8^U)ᐝᵯabcd^UḼᢱᐝᱏ஺#h⊡?bciᑮḄ<=kWᩈYCS〉mnopbcᙠ]iᱫrstᩈYᒴDv஺ᵨ᪷wxSyzbc{S|}UVᢞᡲᡲOᨵṹ⁚UVḄoEpwxḄ=ᔣWᩈYḄd⊤☢kbc☠WᩈYḄCS0*8ᵫ☟LM஺sbcḄGHᜧᡲṹḄGH஺(1)ᵨ᪗ᓱHᢱᐝᱏḄEd,᝞ᡠ6ᐸᦪ#cm(2)0¢LMbcᐜ¤¥}ᐝᵯa1ᐝᵯa2s¦§ᐝᵯaḄ:sᘤ©6ᢱᐝᱏḄᢱᐝsᑖ«#Lt2,¬}Oᡲ®§¯ᙢ☢஺±²)ᐝᵯaO³´Ḅµ#L,ᑣbcḄCDE⊤·¸2=()(%&ᵨ-ºdஹtiஹt2ஹL⊤6)»(3)012ᙠLMO'ᢝbcGH]½¾CᡲOṹḄᦪkᡲṹḄ¿=mÀbcᡠiḄᔠ=F,Â}âHa-FÄ᝞ÅOLÄᡠ6஺Æᑖ᪆dÈÉ©ÊËÌÄḄÍ!P.11.0LMbÏUᵯÐ⊤Ḅᑁ<,LMÓÔÕ᝞ᘤᩞ:

7A.ØᵯÐ⊤ÙH#0~10஻?A,ᑁ<ÚÛ10QB.ᵯ<ÜÝÙᨬᜧ<ß#99.9஺à»C.½<ᘤ4Ùᨬᜧ<ß1200Q,áUᵯÐ0.5AD.½<ᘤ&Ùᨬᜧ<ß120Q,áUᵯÐ1.5A;E.ᵯãÙᵯäÛ10V,ᑁ<]:à»F.ᐵ)åÄæç஺9:h᝞ᵬᡠ6ḄᵯèLMéê᝞:ëজ᪷LM9:Ḅᵯ覧íᵯèîï⁚½<ᘤRঝᐜðᔠ5,p⎃'ᢝòó᝱⁚½<ᘤRᱏPḄ*8pØᵯÐ⊤6ᦪ·ᑮõÊᵯÐ/
»ঞ'ᢝ½<ᘤRᱏPḄ*8]ðᔠ52,â⁚½<Ü0÷ᵯÐ⊤Ḅ6ᦪ/ùúḄᵯ<ÜḄ<ß1111টü»#ýᙶ᪗ᑐ
ᙶ᪗᝞ᡠI«0/ঠ᪷Ḅᐵᦪᵯ⊤Ḅᑁ;"#$ᑡ&⚪"1()*+⌱-./0ᘤ34“4”ᡈ“R2”()6ᐜ8./0ᘤ.ᱏP:ᑮ34ᡈ“”>?;

8112
ᙠA⁚ᵯCDE*FGᵯHIJ0ᑣLMḄᐵNO3ᵨ⚪*ᡠQᱥᳮTḄUV⊤>᪷W*Ḅᦪᵯ⊤Ḅᑁ3=3YZ[ᶇ]^ᨵᦔᦪU>3
ᵨabcdeTḄᵯ⊤ᑁfᵯ⊤ᑁḄg(h_____34“jᜧ”“l”ᡈ“jm”>஺12.ᵨ᝞ᵬᡠpqerᩈᙽLuᩈvwḄ/᥅yzᦪ஺{ᙠ|}~☢Ḅuᩈv?ᨵr.,?rᨵᡭᘤDᡭᘤḄᙠᩈᙽDr.Ḅ?ᙠᩈᙽ,?ᢞpᨵṹḄṹᩈᙽ☠ᡭᘤ஺ᙢḄ%ᵯ'ᩈḄᓝ+,-______/01ᩈ2
1
()6◤⌕A⁚Ḅ¢£ᩈᙽḄLuᩈv}¤஺2
¥ᵯ¦§{ᡭḄ¨©ᨎḄ«0ஹ1ஹ2ஹ3ஹ4,5ஹ6ᦪᦪwᙳᨵ¯°±᪗²ᡭᘤᡠ³ᵯḄ⚣᳛/,eᦪ0ஹ2wḄ·¸Xᦪ4ஹ6wḄ·¸¹ᑣᡭᦪ5ᩈᙽḄᜧm,ᩈᙽḄᜧm.3
²ᩈᙽḄ»TM,ᢞḄṹ¼ṹḄ½»T᪷ᑣᩈᙽLuᩈvwḄ/᥅yzᦪ.13.ᙠẆ¿ᒴ0ÁÂ/Ḅ()*ÃÄÅ⌱ᩩ¨fÇ©ᨎḄÈÉÊËḄ¨ÌÍÎeTḄÏ◞°Ñ°ᦪ᝞$*0ஹ1ஹ2……6ᡠ஺a.eT1ஹ2ஹ3……6ᦪᑮ஺ᦪḄ·¸ᑖÓÔxiஹx2X.X.X.Xb.ᑖÓÕXIஹX……X6LÖ+wḄfh,ஹ———24,2’3‘6XC.ØÙᙶ᪗ஹ1
ᙶ᪗᪗XLÖ+w1Ḅᙶ᪗Ú-/᝞ᡠt04.08.012.016.0/
x|O^

9᪷ÜØÕᱥÝᙠÞḄVo=cin/sa=_m/s2஺(ÕYZᙳ[ᶇ2^ᨵᦔᦪU)14.Ãmá⌕erÃâãäḄᵯ᳛஺(1)ᵨåæeçᘤeTâãäḄÁè஺■êëᦪeçåᩚíîï/ëᦪ6+ᐜæð᝞ᵬᡠḄñò(⌱4“A"ஹ"B"ஹ"C"ᡈ"D")஺Ì*ḄᦪÜëâãäḄÁèmm.ফÃÄÅõᵨ᝞ᡠᵯGö¤()஺e÷âãäABḄÁèd,ᦋ0âãᜳPḄ^qe÷úáâãäᐭᵯGḄuLü+ᵯý⊤ᦪUஹᵯ⊤ᦪLL᝞þᡠe÷ÿ᳛
k,ᑣḄᵯ᳛P
(3)ᐵᵯ᳛ḄᑡḄᨵA.ᐵSᔠᘤRiḄᱏ!ᨬ#$B.%&ᘤRiḄᱏ'!()*+,C.-AB./01ᵯ234ᵯ᳛5678D.%&9ᫀᵯ;⊤AḄᑁ>ᵯ᳛56?ᨵ@A15.ᙠ“DEᱥGHI(/JKLMNḄᐵO”%&8QRSTU᝞WᵬᡠZḄ%&ᦋ\ᙠ]⁚_☢ab)cJUᵨNefᘤᩭhiḄjN.l(1)ᐵ%&ḄmnᑡḄoA.pqᵨᜩbsṺuṺ᫜ḄHB.I(⌕xyṺuṺ᫜ḄzH{88|ḄH

10C.~ᐜ8|1ᵯD.◤⌕ᦋṺuṺ᫜ḄzHᡭsᩩE.%&◤⌕8|⍝〉~b⊝᥅NF.%&8|☠ᡭ/ᘤ'!☟(2)%&ᑮ᝞WᡠZḄᡭ/ᘤ¡ᵨḄ¢;ᵯḄ⚣᳛
50Hz,¤¥¦ᦪ¨0©ᨵª«¬sᵫWḄᦪ¯+ᡭB/8|°ḄK᳛om/s.8|°ḄJKLᜧ8om/sL(³56xᶇµ'ᨵᦔᦪ·)(3)ᵫ%&ᑮ8|ḄJKLaMNefᘤZᦪFḄᐵO᝞WlᡠZ.ᑣ8|M⍝Ḅ᥅NF¹N.16.º%&8»ᑭᵨᵯ;efᘤ(+½
ᳮ¿ᵯ;⊤)u(Àᵯ&ÂᵯÃஹ-ᵯÅÆᘤᩞÈU᝞WᵬᡠZḄᵯÉ(ᵯÅᵯÊuᑁ஺ᵯ;ḄÀ1Ìᦪ¯ÍÎᘤÏᐭᑮ³Ñᦪ¯ÍÎÒu³Ñ>ÓᵯÉḄ@A+Ôᶍ஺Ö×ØÙᵯÉᔠᐵS)ÚÛÜÝ᝞Þ]⁚ᵯÃR,³ÑßZᵯ;ᙳ
áᵫâᑨäᵯÉ+åsÛUᦑç஺è8»éÝ)êëᵨᵨᵯ⊤Ḅìí᫏ᩭïᵯÉ஺xðᵯñ=15.0Q,ᵯ;efᘤò
100mA஺mnóô᝞:জᵨᵯ⊤ᢱ']ᑮᵯ“xl”ᢱøஹù⊤úû\üìí]á;ঝäᵬWᵯÉᐵS,ᵨᵯ⊤¦⊤úᑖ
ᙠ“C,ᵨᵯ⊤Ḅᢣ┐!ঞᵬᵯᐵS,ᵨᵯ⊤⊤ᑖ
ᙠ஺ஹ6,ᵨᵯ⊤Ḅ"ᦪ᝞%ᡠ";টᵬᵯᐵS,ᵨᵯ⊤⊤ᑖ
ᙠC,ᵨᵯ⊤Ḅᢣ┐!ঠᵬᵯᐵS,ᵨᵯ⊤⊤ᑖ
ᙠCஹ",()*+,"ᵯ-./஺012ᑡ4⚪6(1)789:ঞ+;ᵨᵯ⊤ᑁ=Q:(2)789:ঠ+;ᵨᵯ⊤?⊤@
(⌱"C”ᡈ“d”D)!(3)ᵯḄᦑGHIJA.KLᵯ=&NB.KLᵯ=0C.ᵯ=ORND.ᵯ=OR(4)᣸◀ᵯᦑGR;STUᢥ᯿ᵬḄᵯXYᵯZḄᵯ[\]ᑁ=஺ᦋ_ᵯ=ORḄ=`;aᑮ

11Ucdᦪe஺᪷eᦪe8gh;᝞ᡠ";ᑣᵯZᵯ[\E=V,ᑁ=r=QjklKᶇ2nᨵᦔᦪqr஺17.stuᵨ᝞ᡠ"vwx“yz{|}~ᔠᐵ”Ḅcd஺XaTjᐝᱏrḄY.M,ᙢḄ{|}.g஺1cd;ᵨ᪗ᓱXgᐝᱏḄ};"ᦪ᝞ᡠ";ᑣᐝᱏḄ}.d=cmo2.ḄṺ]Ṻ᫜Ḅ;oA.ᩈ¢Ḅ£¤〉¦§;¨©⊝᥅¬B.Ṻ]Ṻ᫜ḄYTTḄYC.®
TḄ~ᩈ¢©¯D.°TᐝᱏḄ}3±⁚³vw;Tᵫ☟¶·¸;~ᐝᵯ¹®
Ḅ(ºᘤ,"T¼½ᐝᵯ¹ºᐝᱏḄᐝº¾;;⌕XYTÀ[Ḅ{|};Á◤⌕XY_________jÄᑏ◤⌕XYḄᱥᳮYÈÉr;ÊSᱥᳮYᵨx⊤";ᑣTÀ[Ḅ{|}ᜧT..jᵨXaḄᱥᳮYÍÎ⊤"r஺4KᢝTÐÑ·¸Ḅnw_;ᐝᵯ¹Ḅnw_;ᦋ_Ṻ]Ṻ᫜ḄY;Òcd;XaUT;¼½ᐝᵯ¹Ḅᐝº¾fÓṺ]Ṻ᫜ḄYÔ;.ÕIÖ×ᙢ᧜ᱥᳮYÙ¾Ḅᐵ;@S8g__________jÄ"*ÚÛ,“*-Ý“{Ú;"ᡈÕ;Õ.½ÞDḄÚᩩàáḄÖ;⊤âYÚãº;{|}~ᔠᡂåæ஺18.scdTUçᵨᵬᡠ"Ḅvw“yz[Iãᳮ”ᓽyzTᡠéᔠ᜜xë~T[IḄ_ᓄÙ¾Ḅᐵ஺STUíÚ¤îãᙠT;ïÚ¤ð½ãñò~óôᘤஹᱥÔ®஺cd+;TᙠíḄ8ᵨ2õ☟¶ö{|À[;ᡭD(ºᘤᙠøùúTḄÀ[ûü;óôᘤùúíýTḄᜧT6TøᡭD(ºᘤóôᘤᱥᩈ¢ᵬ%

12(1)cd+.þíýTḄÿ
Ḅᔠ᜜⌕ᡂḄ⌕;(2)
ḄᨵᜧᱥḄ_____!"($“ᨵ”ᡈ“ᨵ”))(3)*+ᑡᱥᳮ./0Ḅ஺A.2ᩈ4Ḅ25LB.ᱥḄmC.
Ḅ6M19.(6ᑖ)8ᵬ:ᓫḄ<ᵨᵯ⊤Ḅᵯ@8ᐸᵯBḄᵯCDE=1.5VஹᑁGr=1.0C,ᵯH⊤ᑁGRg=10஺ஹIJᵯHl=10mA஺K<ᵨᵯ⊤⊤L᝞8NᡠP+᣸R5ᙳᒴCU᣸R5VḄWR5஺প⌱Z[ᐵ]“1”ᢣ┐ᢣᙠ8NᡠPab*Pᦪ(efgᶇiaᨵᦔᦪk)஺(2)᝞f⌱Z[ᐵ]“3”8ᵬᵯGR2=240Q,ᑣmn᝱+<ᵨᵯ⊤pḄᵯq⊤஺(3rsf⌱Z[ᐵ]“2”K<ᵨᵯ⊤tᵨᩭ0ᵯGCR5v᪗Q஺(4)᝞f⌱Z[ᐵ]“2”xஹy⊤z{]|⁚RiḄG~ᵯ⊤ᢣ┐IJ0ᵯGᢣ┐ᢣᙠ8NᡠPabᑣKᵯGḄ0G~஺(gᶇaᨵᦔᦪk)஺ম᝞fK<ᵨᵯ⊤ḄᵯᣚᡂᵯCD1.5VஹᑁG1.2஺Ḅᵯ|0ᵯGḄG~,ᐸ0ef(⌱$“Jᜧ”ஹ“J
”ᡈ“”)஺20.(6ᑖ)᝞8ᵬᡠPẆᳫḄqḄᓄḄb஺ᳫஹqᘤᜧ¡¢ᘤᵨT£¤¥஺¦§*¨ᳫᑁ©ª¡¢ᘤᑁ%,q᜜T£¬ᘤᑁt®ᶍ°±஺²᠒´C¡¢ᘤgᢝ¶5°b·¸¹஺পKbtᵨº.,¼஺$ᑏ¼¾¿)2(2)¡¢ᘤᑁÀᑖ´ᐭᳫÂÃm*¡¢ᘤᑁᒕÅḄ§ᓃqᘤÂᦪÈᑣm*ᳫ

133
ÉÊ´CËÌ<ÍÎÏ¡¢ᘤᑁᒕÅḄÐvḄq±ÑÃvḄᳫÒᑮ᝞8NᡠPḄ“ᳫq”ᐵÔ8஺᪷ÖK8×ØÑÙ¦§*¡¢ᘤᑁÚᨵ0.5%ஹq4Ḅ஺ÛᐰÀqᐭᳫᳫᑁḄqPo஺Ýgᶇ3a
ᦪÞ21.6ᑖÞßàᑭᵨ8
a
ᡠPᵯ@0p3VḄᵯq⊤জḄᑁGÝᑁGᦪᓟäåÞtæ⌱ZḄᘤᩞᨵÙᵯGèRÝᨬᜧG~9999.9Q
,êCGᘤRÝᨬᜧG~50Q
,êCGᘤR?ÝᨬᜧG~5kQ
,ëHᵯBEÝᵯCD4V,ᑁGì
Þ஺[ᐵ1íVî஺ES8(a)8(6)᝞+Ùজᢥᵯ@ðᳮ8
a
¤]V@)ঝᵯGèG~|⁚0,êCGᘤḄêᱏóᑮ¬8
a
ᨬôõᡠvḄaböᔠ[ᐵSঞ|⁚êCGᘤᵯq⊤IJ)টgᢝêCGᘤêᱏḄab°|⁚ᵯGèG~ᵯq⊤ḄPᦪ2.00V,Î+ᵯGèḄG~஺ùú+ᑡû⚪Ùপv⌱ZêCGᘤÝ$“RJᡈ“R2”
ফ᪷Ö8a
ᡠPᵯ@8
b
ᱥ8¤V)ÝÞ3
টÎÏḄᵯGèG~1500.0Q,¨|⁚ᵯGè*êCGᘤUḄᑖq°±ÑtÒᵯq⊤ḄᑁG஺ÝefgᶇᑮaÞ)4
᝞fmᵯq⊤ᵫ⊤ᜮᵯὶ᪀ᡂḄ⊤ᜮḄᵯᫀ᪗஺A.100|1AB.250HAC.500jiAD.1mA22.8ᑖ
1
ᨵ!"#ᘤᵨ&"'᪷ᙊ*+,Ḅ-.᝞0ᡠ2Ḅ3ᦪ5mmফᙠᵨ9ᵫ;<=>?@ABCDឤFGḄH?IJK'1.00kgḄLᱥ9ᵫN;ᡭPQRᘤᙠSTUᡭVWᑡḄP⌱Zᩩ\ᔠH?⌕_ḄST᝞0ᡠ2஺OabPAஹBஹCdᔠ〉fghi⌱ZjkPIḄlbP஺mnᡭPQRᘤo◞0.02sᡭbPqᙢḄLstug=9.8m/s2,v

1434•0?4tB?C•1111_<-----15.55cm<--------19.20cm—◄-----------------23.23cm-----►জ᪷x0UᡠyḄᦪxzZ0IOPᑮPᩭ?@ABCDឤFG;ঝdOPᑮজIᡠZḄPLᱥLsCḄ'ὡJ,>Ct'A&=____JZlfᨵᦔᦪ2ঞ"VSTUᡠᨵᔜPᑮOPḄ,᪷xSTVᔜPḄuvᱥᑁ¨C"'F©ᵯ©Ḅᵯª஺«ᵨ¬NḄH?ᘤᩞIḄ®ᑖ¤QV¬0a
Ḅᵯª0¯a.ᵯ⊤Ai'°0.6A,ᑁ±ᵯ⊤A2
'°300pA,ᑁ²=1000஺b.´>µᘤR0-20C
c,¶bF©ᵯRi=1000஺R=9000Q2d.·"ᵯRxe.·"ᵯ¦Eᵯ>¸3V,ᑁ¸2C

15f.hᐵº»¼যপ᪷xH?⌕_¾ᵯ⊤A2ὶḄF©ᵯ“Ri”ᡈ“R2”2
ᐜᵨᵯª"'ᵯ¦ᵯ>ᑁÁ´>µᘤ´ᱏÃÄᨬÆÇÈᔠhᐵS”É⁚´>µᘤᑖËÌÍᵯ⊤AஹA?Ḅ3ᦪI௃ஹNyL¾LḄᐵW᝞0b
ᡠ2஺᪷x0»yᵯ¦ᵯ>E=Vᵯ¦ᑁᱏQ,QᙳÐᶇ¶fᨵᦔᦪ3
Òᵨᵯª"'F©ᵯR,Ḅ©ÓÔ¬NÕÖ¯জÈᔠhᐵSiஹS,É⁚´>µᘤᑮ〉q©ÌÍ×Rᵯ⊤Ai2ᦪ᝞ᵯ⊤A22ᦪ2ঝhhᐵS2,Ðᢝ´>µᘤ©ÙµÌÍ×Rᵯ⊤A12ᦪLᵯ⊤A22ᦪ5ÛhSiঞ᪷xUÜᦪxnQF©ᵯR,Ḅ⊤ÝÞoßᶍᏔᯠãäᑣᵨåæ"yḄ©¾ᐸèH©éê“ìᜧ”ஹ“ì”ᡈ“éï”24.10ᑖðH?ñᙠᵨòó¼ô"ᐝḄö÷ḄH?IÁòó¼ôH?øᘤᢥ⌕_úûᙠᐝᐹýU,᝞0ᵬᡠ2஺òód=0.20mm,"yÿ
ḄL=500mm஺ᯠᵯᐝপᙠ!ᙠᜮ#$%ᐜ'ᑮᑖᑜ+%,-./01ᩩ3AḄ%,᝞56ᡠ8ᑣ:᪗ᓱ=Ḅ>ᦪ@cmᯠBCD!ᑖᑜ+%,-./01ᩩ3BḄ%,E:᪗ᓱ=Ḅ>ᦪ@L67cm,FG=HḄcm-I:᪗=Hᩩ-I./JKᐭMᐝḄNOX=mফEQR%STᩩ3UVWXYḄᦋᗐ\]ᨵ_`aᑏcᩩd஺25.10ᑖdQRefᵨ᝞5ᵬᡠ8ḄQRijkeᩈᙽOᩈ+Ḅ᥅opᦪG⌕QRr᝞s

16eᩈᙽᐝᵯtBᐝᵯtAḝ1iDᢱ+vwṹᵬজᐜz{|ᨵ}kᢱ+ḄOᩈ+~jᙠQR☢HziᨵᐝᩩḄeᩈᙽᵨOᩈ+|k!Ḅwṹᢝ☢HOᩈ+KঝᐝᵯtB}kᙠᢱ+ḄjᐝᵯtAᑮᐝᵯBᢱ+Ḅcjeᩈᙽ☠ᢱ+Ḅjᵫ☟KঞᵨᐝᵯtḄᦪ¡¢ᘤ¤¥ᐝᩩᐝᵯtAḄAᐝᩩᐝᵯtBḄ¦t2§¨eᩈᙽᐝᵯtA©ᑮᐝᵯtBḄ¦tটᦋ«ᐝᵯtAḄj¬§Hr¤¥®fAt”At?¯At°஺±²³§s´µ¶⚪পᵨ:᪗ᓱ=ᐝᩩḄ¸Id᝞56ᡠ8ᑣd=_cm1A(2)QR¹ᐝᩩºᐝᵯt2ḄAtᢝ»«,ᑭᵨ5¾ᜐᳮQRᦪÁ,¹ᑮ᝞5Âᡠ8Ḅ--c22¦Ä5¾ᐸ%5¾ÆÇÈ@b,ÉÇÈ@c஺QR¹wṹ¯ᩈᙽḄÊᑖË@m¯M,ÌÍÎᙢ¬ÐÑÒI@g,ᑣ᥅opᦪ—o26.(12ᑖ)QRẆÕeÖ×ḄᵯØᵯÙḄᐵÛ஺QRᘤᩞ᝞5ᵬᡠ8TÌÝᡂßᑖà.Ḅ஺

17wপQR⌕áᵯ⊤Ḅ8ᦪãäå⌲çèᜧ±ᢥF⌕áᵨëì.íîà.ᙠ5ᵬQᱥ.5%Ýᡂðsà.Ḅ;2
òᵯØ⊤ᢣ┐õ᝞56ᡠ8ᑣᵯØ⊤Ḅ8ᦪ@cAK3
ö÷øùeÖ×Ḅúᱯឋý.᝞5Âᡠ8᪷Á5ÿ
Ḅᵯᵯᜧ⌱“ᜧ”ஹ“”ᡈ“”஺ᵯ!3Vஹᑁ!5஺Ḅᵯ#$ᡂ&ᔠ()*Ḅ+▭-᳛/!—W1ᶇ34ᨵᦔᦪ8஺27.12ᑖ:ᵬ!ᙠ=>?@AẆCᒴEFGḄHI:*JᙽALᨵMN!dOḄPᐝᩩ,JᙽᙠTṹVᵨXᐜZ[\]^ᐝᵯ_*ᵨᐝᵯ`aᘤcdPᐝᩩ[\ᐝᵯ_1ḄaefthiPᐝᩩjᐝᵯ_1Gᑮᐝᵯ_2Ḅaet,ᵨlNmno]^ᐝᵯ_peḄqrx.1
ᵨs᪗ᓱmnvPᐝᩩḄMNd,Hᦪ᝞:x*ᑣz1=cm2
+{a*Jᙽjᐝᵯ_1Ḅ|}~ᜐᵫ☟*nAt=50s,ᑣPᐝᩩ\ᐝᵯ_1aḄENv=m/s3
1ᢝᐸ+{ᩩ*⁚ᐝᵯ_2Ḅ4*Jᙽj4ᵫ☟*cd$xriᐸḄt,Vo--t:᝞:*ᐸ᳛!k,ᑣJᙽENḄᜧakᐵ⊤!a=.t28.ᙠ“nᵯ#Ḅᵯᑁ”Ḅ+{¡*ᨵ᝞X+{ᘤᩞ£¤n¥ᵯ¦⁚ᵯ§⊤v¨
00.6A,ᑁᜧ=2.0஺ᵯ⊤v¨03V,ᑁ/3kQ
Jᘤ©ᐵஹ?Fª¥

184———0.5Uh(1)~«ᵨ:ᵬᡠHᵯ)®+{*ᵫ¯ᵯ⊤ᑁḄ°±²³´µ¶*ᐸ·⌕¹º»¼(2)!½◀´µ¶*¿ᔠᡠÀᵯ⊤Áᦪ*«ᦋᵨ:xᡠHᵯ)®+{*᪷Å+{ᦪÅo᝞:ᡠHḄ:Æ*ᑣᵯ#ᵯE=V,ᑁr=Qo(¿Èᙳ1ᶇ24ᨵᦔᦪ8)29.᝞:ᵬᡠH*ᙠ“ËC-ENᓄḄᐵ”Ḅ+{¡*·⌕\¨᝞X£h=Î`aᘤᵬA.ÏÐÑÒÓÔÕÖḄ-ᑖ×!Wஹ2Wஹ3W............B.ᑖ᪆ÙÚ*ÛoÒÓÔÖ-ÜÕÝḄENV௃ஹV2ஹv............3C.VoW-v:¼D.ᑖ᪆W-v:.᝞ÈW-v:»ᩩF*⊤àWo=v᝞È»F*ὃ⇋»ᔲäᙠW8V2ஹW8V3ஹåᐵ.(1)+{¡ᑮḄᩩ᝞:xᡠHḄÙÚ*ÛÕÝḄEN⌱(⌱“AB”ᡈ“CD”)æᩭ`è.2.93.7,4.96.57272ᓫ4£mm(2)ᐵ¯+{*XᑡëÐìíḄᨵA.[\ÒÓÔḄᩩᦪhÜÒÓÔÕÖḄ-ᡂ᦮ᦪïB.[\ᦋÕðvhᦋÒÓÔÕÖḄ-C.+{¡*ÒÓÔñòḄóNô◤1ᢝöD.ᐜ[ᵯ#*÷ÑÕᙠÒÓÔḄVᵨXøoবᙠ+{¡*ᡭÎ`aᘤìûüV*ÙÚýþó*ÎÿᨎḄᨵḄ⌼ᡂḄ.(ᑏᩩᓽ)30.#$%&'()*+,-./01(20஺Ḅᵯ/Rx$%456Ḅᘤᩞᨵ:

19R3CRTRx&———----/—ESA.;-<0ᵯ/Rx/0120஺B.<0ᵯ/R“/030஺C.<0ᵯ/R2/020஺D.ᵯ=⊤G.?3mA,0@Aᙠ⊤CDEᑁ/150஺E.ᵯ/GR3ᨬᜧ/0999.99஺F.J=ᵯKE,ᵯLM1,5V,ᑁ/N&G.OLP/ᘤR2(20C,0.2A)H.ᓫᑐᓫSTᐵS,VWX&'YZḄ$%ᵯ[\᝞\^_`ᵯ[abcᑡef.(1)gᔠTᐵi⁚OLP/ᘤkᵯ=⊤lᦪ〉o.(2)pᮣrᵯ=ZGDḄᵯ=ᵫC=ᔣDui⁚ᵯ/GR3,kᵯ/GR?Ḅ/0________(⌱x“zᜧ”ᡈ“}&”)JᑮGDḄᵯ=((x“”ஹ“”ᡈ“0”).(3)ᵯ/G^ᐭᵯ[Ḅᵯ/R3,ZRx.ᵨR|ஹR2ஹR3⊤lRXḄ⊤(RX=31.#ᵨ\ᵬᵯ[-.ᵯKḄᵯLMᑁ/ᐸDᵯ=⊤AḄ.?(0.6A,W᪾ᑁ(ᵨᵯ=ZGᦋḄᵯ⊤஺পᵯ=ZGḄᵯ=Ig=300jiA,ᑁ/Rg=100Q,ᦋḄᵯ⊤.?(3V,ᑣZᵯ/Ri~£2oফ#-.ᵯ=ZGḄlᦪ᝞\ᑣᵯKḄᵯ(V஺ব¡LOLP/ᘤRḄOᱏ£ᑮ¤'ᵯ=⊤AḄᦪLᵯ=ZGḄᦪL,fh-L\¥᝞\஺ᵫ\£ᵯKḄᵯLM£=V,ᑁ/r=(4)pᵯ/ᜐḄ$▭/0ᜧ©Z0ᑣᵯKᑁ/rḄ-.0__$▭0(x“&©”“©”ᡈ“ᜧ©

2032.()-<ᵯ/Ḅ/0$%456cᑡᘤᩞª;-ᵯ/R«/01100஺¬ஹOLP/ᘤRK0100஺¬ஹOLP/ᘤR2010஺¬ஹᵯ/GRo
0—9999.9஺¬ஹᳮ®ᵯ=⊤A«.?50mA
ஹJ=ᵯKE3V,ᑁ/¯ᶍ¬ஹVWஹᵯ±p².1
ᵬYZ
a
ᡠlḄᵯ[ab$%.জµᙠ\
b
Dᵨ¶·W¸¹VWºᡂ$ᱥᵯ[Ḅ^_.ঝOLP/ᘤ½⌱_________«xᐭ¾¿¬.ঞ$%efᐜÂOLP/ᘤḄOLᜮ¡ᑮ«⌱x“Ä”ᡈ“Å”¬u_ÆTᐵSÇᢝS2ÉTgᔠÊ,iOLP/ᘤkᵯ=⊤ᢣ┐ÎÏ#ÐÑÒcᵯ=L.টÉTSiÇᢝOLP/ᘤ/0ÔPi᦮ᵯ/GR஺/0ᙠ100஺ÄÅugᔠS2,i⁚Ro/0k£ᵯ=⊤ᦪ(RoḄᦪᓽ(ᵯ/Ḅ/0.2
ᑭᵨᵯ[c
ab$%,ᦋPᵯ/GR00,ᵯ=⊤×½Ḅᵯ=I,ᵫ-£ḄᦪØf;-&\W᝞\d
ᡠl\WÜÝÞ(m,ß᳛(k,ᑣᵯ/Ḅ/0(.3
pᵯKᑁ/Ô¯ᶍḄᑣáᵯ[
a
c
,âãᫀ-ᵯ/å`?(çèé33.ᙠ“ᵨᓫ᤮-.ëìíîAḄᜧ&”Ḅ$%D஺1
ï`$%Ñᐜᵨð᪗ᓱó-.᤮ᳫJõd,-.Ḅlᦪ᝞\ᡠlᑣ᤮ᳫJõd=,u-.᤮Wö1,ᑣᓫ᤮᤮öL=«ᵨdஹI⊤l¬÷2
᤮ᳫ᤮Lø<oùᑮ«x“ᨬú”ᡈ“ᨬû”¬üLý⊤TþZÒÿ
᤮ᳫᨬḄᦪnn=lஹ2ஹ3……n=60⊤஺Ḅ⊤᝞ᡠᐸᦪs,!ᓫ᤮Ḅᕜ$T=s%ᕜ$⌕'(ᶇ*+ᨵᦔᦪ./

21(3)789:;<=>?@Ḅ⊤BCDg=(ᵨTஹL⊤H)᝞K>?@LMNO@PQRST;A.U᤮ᳫXYᨬ[\Ḅ]ᦪn7_`B.7+ab+c⊤defgC.U᤮h1iᡂ`᤮1D.U᤮h1kᳫḄlmnkiᡂ`᤮1(4)op>?q᤮LrstḄᓫ᤮ᕜwT,xᙠᙶ᪗|}~T?LḄᐵh᝞ᡠH஺ᵫh89:;<=ḄᜧLg__________m/s2(ᶇ3ᨵᦔᦪ78+£9.86)஺72A25.04.034.ᵨ᝞ᵬᡠHQឤ%ḄO஺ᡠᵨᡭ\7+ᘤDᵯᡭ\7+ᘤ஺(1)O◀`¡¢ᵬ£Ḅᘤᩞ¥ᜓᨵ§ᑡᘤᩞP¢⌱ª4A.220V«¬ᵯB.ᜩ0C.c⊤D.¯hE.°±|²஺ᐸ£q´⌕ḄᘤᩞT(¶·tḄ¸)¹_ḄᘤᩞT»(2)·MO⌕\§ᑡ»¼opḄTA.t⌱ᵨ½¾¿LÀÁ?¿LḄ9┴B.Ãᘤᩞ+´Äᡭ\7+ᘤÅlÆÇÈ_▲Ê|-ËḄ᥅Í

22C.4┴6789:ᵨ<=Ḽ?@(ᢝ?@BCDED.᪷GᡭIḄ?@ᵨAx=gT?'I4JKLMNOPQRSឤব!VW⌱YZ[ᩩ?@Y]^ᨎḄ[`᝞aᡠbᡭIḄᑖd᪗f1ஹ2ஹ3ஹ4ஹ5ஹ6,1ஹ3,2ஹ5g4ஹ6hiḄjkᑖdxiX2,xlmᙢḄ4JKLMg,oᵨḄpqᵯ3o⚣᳛f,ᑣvᡭ2ᑮᡭ5Ḅ89ZNOPQRSឤxy◤{NḄ⊤|}(4)ᵫJḄᵨoḄ4┴4JRḄᜧ4┴RḄK஺4┴Ḅm,᪷G(3)9?@ᡠᦪG'!N9ᙠḄᙳJᜧF=(ᵨmஹgஹxiஹX2ஹX3)⊤)஺35.VWᙠNOᔠ᜜J[xᱥḄKLMḄᐵ¡ᵨᵬᡠḄ£¤¥ᦪ.ᓄ§¨©ªZ«ḄKLMa«M(ᒹᡠ®¯ṹ¥±²ᘤḄ)Ḅ´:ᐵµ᝞aᡠ.N9ᡠᢞ¸ṹḄ20g,N9⌱ᵨḄ¹º»Ḅ¼½gᐝ¿Ḅ¼x¿À.ᵬa(1)NÁBÂᐜÄ⁚ᩈÇÈx¿ÀḄÉMoᱫË«Ḅ¼½ᩈÇÌ.ÂÍ᪵ÏḄÐḄ6ᑡÒ[Ó;(Õ.Ö×f)A.o+ر²ᘤIḄ«ḄKLMÙÚÛB.Ü(O«ᨬCRÝÏEÞßC.ᙠ⊝᥅âJ
oã½äJå«ᡠæḄᔠJ(2)ᵫama--yyÞ¹çO,çè______________________________;M(3)!ÞḄêB`EÞ!`EÞḄë᳛ᨬìíḄᦪî.A.30B.0.3C.20D.0.236.ᙊðñ◌óᐗᘤõ⊤☢ᙳᒴ╄ᨵ[ùúᵯↈüýmúᵯↈüᵯ᳛஺Z!ↈüþMVWoᵨÿ
ᙠᐗ⊤☢ᑴᡂᙊᙊᚖᙊ☢ᑴᡂᵯ᩽AஹB,᝞ᵬᡠ

23"1ᵨÎÏ>Ðᘤ>?ᐗÒḄlm>?ÓK᝞ᡠHᐸÔᦪDmm."2D`>?ᐗÒᵯÖ✌ᐜÙᵨÚᵨᵯ⊤·ᐗÒÛ>ᐗÒᵯÖÜD10C,Ý◤ßp>?ᵯÖÖ@P¢ᘤᩞ᝞§A.à>ᐗÒ&"Ö@Ü10QB.l¬ᵯ"ᵯeâÜ6V,ᑁÖÜ3஺C.ᵯ¬⊤A1"?æ0~0.6A,ᑁÖÜ2CD.ᵯç⊤Y"?æ0~2V,ᑁÖ&,=1000஺E.ᵯç⊤V2"?æ0~12V,ᑁÖÜ5000஺F.%@ᵯÖê"&=2000஺GìeíÖᘤᵨ"020QH.ìeíÖᘤï"0100QI.ᵯñஹ¯hòজᙠP¢⌱ªḄᘤᩞ£ôX⌱ªAஹBஹCஹI◀õn᜜t÷⌱ᵨ"¶ᑏঝ᪷ûᡠ⌱ᘤᩞᙠüý᪾£~Oᵯÿ_______ঞ◤⌕Ḅᱥᳮ________,ᵨᱥᳮ⊤ᵯ&=஺3ↈ◤⌕Ḅᱥᳮ஺4#ᐗ%ᵯR,ᐗ%'(4,ᵯ᳛஺*+ᔠ-ᵨ3ᱥᳮ⊤ↈAd=0»37.456ᐶ89:ᵨ᝞ᵬᡠ56>?ᩭ6ABCDEឤGHIJKLᙢNOPQ஺RSTUVWRX30஺*VWZ[\]^☢`aIb>ᨵQdeᘤgh'aK9ᱥᙽjkZlḄQ*TUVWm\]^☢ᙳᨵopgqKr஺VWsZᨵ0tGᢱv*wxyzsZ[ᢱv`{*K|}9ᱥᙽlyzZ[deᘤ~ḄrL.TUVWxmḄ9ᱥᙽw}ᙠyzZ,ᵨ᜜Oᔣs᠒9ᱥᙽᑮ|?᜜O*9ᱥᙽ☟ᔣ*jk0lᙠ\]^☢஺

24V0xᵬ(1)!"#$%&'()%*+Ḅ-.V/01Ḅ23ᑮ567Ḅ8.X,9'(᝞ᡠḄ/—X:;<#:=>?3Ḅஹ@᳛=k,ᑣ#:CD'EᙢGHI-.gḄJ=,ὃ⇋ᑮNOPH#$%&'ḄJ________(S“Uᜧ”“U$”ᡈ“*Y”)஺(2)\ᐜ0^_`Ḅ&a,ஹẆcd'_`Ḅ_ឋfghijklAxḄᐵn=஽=q&2஺stuvw$ᱥᙽz_`Ḅjklᙳ=LḄn|=("}$ᱥᙽ/^_`n~Ḅgឤ#$%◤⌕"}Ḅ⊤=(ᵨxஹnஹL⊤38.!"$%ᵨ᝞ᡠḄ"}gឤaḄ!"஺EᙢGHI-.=gᵯU?ᐝᵯ(1)ᵯᜳaᙠ7ᵯᵯ$ᳫᔾᙠᵯ(ᐝᵯḄ7)஺ᵯᵯ$ᳫᵫ☟vw&d$ᳫᐝᵯᡠᵨz=f,&d$ᳫ¡=/,ᵯ⊤☢ᑮᐝᵯḄ£¤=ᐭ¦d),᪷¨&dᦪJdᑮ⊤(ᵨ;ᩩ?3ḄÆ@zÇᙠ«¬ᐕ®Ḅ°ᑁ@᳛È(ᵨ;ᩩᵨᡭ3ßzᘤᡭḄáâ஺

25ᵬ¡(1)ᑏ'ᵬä┯«Ḅᙢ஺(æçᑏ'è3)(2)ᵬäᡠᡭ3ßzᘤ1#ᵨÌéêᵯëoA.ìí4~6VB.ìí220VC.í4~6VD.í220V(3)=îᡂ“ØcI-.iHஹÑlḄᐵn”!"◀(ᵬä᜜ñ◤⌕ᵨᑮÌéÓ(4)#ñCᵨÌéÓ!".A.Øc$ò-.ózYᓄḄõ!"B.ᵨᡭ3ßzᘤ&-.!"C.Ẇcö÷øùḄ!"D.Øcúiᱥ-.YᓄḄᐵn!"(5)Äᡭ3ßzᘤᡭ'Ḅ3ûü'C301ḄÛ.=cm,;<ᡭ3ßzᘤḄ⚣᳛=50Hz,ᡭ3ßzᘤᙠᡭC3zᱥḄþz-.vc=m/s,ᵫÿ
Ḅa=m/s2(ᨬᙳᶇᑮᦪ☢ᦪ)஺40.ᙠ“!"ᵯ$ᘤḄᐙஹ(ᵯ)*”,-./ᵯ0᝞2(ᵬ)ᡠ5(1)67ᐵS9:1,ᵯ$ᘤḄ(<">”ᡈ“@”)᩽B
Cᵯ/D6S9:2,:EᵯF⊤ḄᵯFHᔣᔣ(<“J'’ᡈ"M(2)NᵯOᵯPQ10V,,-.ᡠRᵨḄᵯ$ᘤ᝞2(T)ᡠ5/ᐙUᵯᵯ$ᘤC᩽B
ᵯVC(ᶇᨵᦔᦪ)஺

26ব@ᑡᐵ[ᵯ$ᘤᐙᵯ\/ᵯFi]\^tḄᐵ_`ᡠ
ᵯ₹Vq]᩽B^ḄᵯbUḄᐵ_CcḄd41.ᐶfg>ὁijklmnoVmḄpṹஹmrstumnᔁw/x⌕z{|u}~s>pṹᡠḄ஺ὃl᝞@(1)xᐜᵨᔁwkᑮᙢ☢Ḅh,{|ᙠpṹᵫ☟(/\}~ᙠᙢ☢>ᵨst⊤kpṹ(ᑮᑮᙢ☢Ḅ\^᝞ᙠᶍ¡¢£Ḅᩩ¥@/¦ᙢḄ§£Ḅᜧ©ª«ᶍḄ⊤5g=(ᵨhu¬⊤5)`(2)ᙠᙢ☢>/}~pṹ®¯ᔣ>k/{|ᵨstḄ⊤kpṹkᑮ°kḄ\^஺±²³´/µᔠ·᜿¹´}~pṹ®¯ᔣ>k/\{|ᵨstḄ⊤kpṹkᑮ°kḄ\^t,ᙠᶍ¡¢£Ḅᩩ¥@/º´}~ᵨs>pṹᡠḄ©ª«ᶍᙢ⊤5W=(ᵨmஹhஹ¬ut⊤5)஺42.ᵨ21ᡠ5Ḅ,-»¼Ẇ¾¿\^ÀᓄḄÂÃ஺a.Ä»Å,-ᘤᩞ஺9:ᵯO/ÇÈḼ
ḄÊËᩈBÍP/§Î³´஺b.⌱kmᩩÐÑᨎḄ
/Ómnᔠ〉Ḅ¦\ÕO(t=0),ᯠ×◞0.1s⌱Ùmnᦪ,᝞22.AஹBஹCஹDஹEஹF……ᡠ5஺22c.:EVஹ©ªᑮᙠᡭAஹBஹCஹDஹE……\Ḅ/ᑖÝÞviஹV2ஹV3ஹV4ஹv,5d.ªvßàஹ\^táàâã¯äᙶ᪗_/ᙠᙶ᪗>ç/᝞23ᡠ5஺

27V/trns'1)+ᔠ56¢£*¤¥ᡂsᑡ¨⚪ª1
ᙠsᑡ«ᘤmᘤᩞ*®¯-ᵨḄᨵm°⌱⚗³Ḅ´µ஺A.ᵯ¶ᔠ〉Ḅ50Hz¸¹ᵯºB.ᵯ¶g»Ḅ'¹ᵯºC.o¼D.½⊤E.ᜩ]¿Àṹফᙠ3Ã᪗KÅᦪÇAஹBஹDஹEÉÊḄᙶ᪗Ç*ᙠÌ᪗ÍÅᦪÇCv=0.86m/s
ÉÊḄᙶ3᪗Ç*IÎKv-tÏ஺বÑÒv-tÏ*ghᑨÔ9ÕÖᒴØQ'Ù*ᐸÛÜÝ«᪷Üv-tÏÅàK9ÕḄPQa=m/s2o
4
4á`âãÅᦪÇḄäåªOA=7.05cm,AB=7.68cm,BC=8.31cm,CD=8.95cm,DE=9.57cm,EF=10.20cm,ækᑖ᪆9ÕḄéØᓄëì*íDᑨÔ9ÕÝᔲÖᒴØQ'Ù஺¤ïðñ᪵ᑖ᪆ḄÛÜÝO43.ᵬÝ4á6ADGᳮḄ56>?஺ᐸ¢£᝞sªᵬz.A.᧕ôõᑁ÷〉øù*ᵨwúækûü{aᙠ9Õ*9Õ{aýþ஺ᔠᳮ»᦮ᩈ
ᩈ
ᒴ஺B.᧕᧕ḄnC.᧕ᣚ"ᩩ$%ᵫ☟()*ᡭḄ$%᝞-./012ᑖ456O7

28ᡭ@Ḅèm஺éêᡭ\ᘤḄᡭ\^^◞T,§£g஺পìíC.ᡠîḄᔠ᜜£ᜧmফ-ñO—CEò.ᔠ᜜£]PÀᓄḄᐵ_/kBD^Ḅ᳝/OC^%,ᑣCᜧm,◤⌕-ñḄᐵ_÷møᵨᡠᱥᳮVḄûü⊤5ý஺44.¹⌕þmᵯOḄᵯPQEuᑁr,
ᘤᩞᨵDISᵯᘤᳮᵯ⊤,ḄᵯᵨI⊤ᵯᵨR⊤ᐵ!"#$஺&'()*+᝞-ᵬᡠḄᵯ012
34ᦪ6஺1
&'()*
Ḅ7ᳮ⊤89:E=ᵨrஹIஹR⊤஺ফ&'(ᙠ>ᔠᐵ@ABᐜDᵯEᑮ⌱I“ᨬᜧ”“ᨬN”ᡈ“PQ”
RSTDᵯEU᝞-VᡠWXᑣZ[ᵯ\ᐭᵯ0Ḅ3
&'(᪷6
34ᑮḄᦪ6_`᝞-aᡠḄ;R-cᑣᵫ-ce&ᵯfḄᵯghE=V,ᑁr=jkᙳmᶇoWᨵᦔᦪq45.ᑭᵨ-aᡠᵯ0stᵨᵯ⊤ᑁᵯfḄᵯghEᵯ“xio”ᢱᑁvᵯ0ḄwᵯRᑁ஺xᵨḄᘤᩞᨵtᵨᵯ⊤yz⊤sS10mA
,ᵯ!"#$஺{|}ᑡ⚪পDtᵨᵯ⊤ᢱWEᑮᵯ“xlO”ᢱ⊤⊤\E2
DᵯEᑮᨬᜧD-aTtᵨᵯ⊤Ḅ⊤I“1”ᡈ“2”⊤\஺3
E⁚ᵯ}tyz⊤ḄᦪIᵯBḄRs[ᵯḄᦪ᝞-bᡠ,ᑣ&ᦪQ;

29-c-d,E,ᑮᐵ;Ḅ⊤89;ᙶ᪗Rᙶ᪗_:-R-"᝞-c(4)ᵬ'(᪷6/="R+%ᡠᵫ-E=V,R=£1஺(jkᙳmᶇWᨵᦔᦪq)rt(5)&tᵨᵯ⊤Ḅ⊤¢᝞-dᡠᐸ¤¥¦§"T¨¦§᪗“15”6Zᑨªᵯ“xlO”ᢱᑁvᵯ0Ḅwᵯ஺ᵬ'(ḄsRᑁ«Zjk¬®ᜧḄ7¯:஺46.ᨵᵯ°⊤V,sS3V,⌕esᐸᑁRஹ஺⌱ᵨḄᘤᩞᨵ²g³ᘤᵬᨬᜧ10Q²g³ᘤVᨬᜧ10kCᵯ´ᨬᜧ9999.90ᵯfὡᵯgh¶4V,ᑁ·*ᵯf«ᵯgh¶10V,ᑁ·*;ᵯ°⊤Vo,sS6Vᐵo¸!"#$(1)Nᐲ3ᵨ᝞-ᵬᡠḄsᵯ0-ᙠ
ᱥ-T»¼½\+vᑖ!"¿᪷6-ᵬᵯ0ÀᡂᒕÃv

30ᑖḄ9:;ফ9:=>?ᵯAᐲCD>?EFGH⊡ᐙKᗐ☢EFNOPজRSSᐵU5,V4ḄᱏXᑮᨬ[\Ḅ]^_ঝaᔠSᐵcde⁚ᱏgvhi_ঞRSSᐵS?,kᢝmne⁚ogvpᦪ72.00V,rstuvwᵯxyḄxz77g{|}~nxᘤK⌱/“ᵬ”ᡈ".”
ᵯ⌱/“g”ᡈ“6”ᐲḄᵯ⊤ᑁx«ᑣ=
oᵯ⊤ᑁxḄ>zRvRRv/⌱ᡈ"V”6_3
ᐷᵨ᝞-.ᡠpḄᵯA->?NO᝞PজRSSᐵ⎃£,VKḄᱏXᑮᨬ[\Ḅ]^_ঝaᔠSᐵ⎃¢e⁚KgVhitvwV஺Ḅrᦪ_ঞRSSᐵ£e⁚4&,gVpᦪ¥ᑮ¦i§V஺Ḅrᦪmn_rstuvwᵯxyḄxz7ᳮ©ªᑖ᪆ᐷḄᵯ⊤VᑁxḄz/o>z,᥅Rv/⌱ᡈ"V"6஺47.¯°0±ᱥᳮ³´ᑭᵨ᝞-ᡠpḄᵯAw"¶ᨵ30¸¹ºḄ»¼⊤Ḅ½ஹᑁxᐝÀᵯxḄxzoᐝ᯿ºÃ1ḄᐵÄ஺>?ÅÆÇÈḄ>?ᘤᩞᨵPÊᵯ/Ëᵯ7Ì=g.0V,ᑁxmÍ6ஹᵯxyÌ/ᨬᜧxz999.9஺6ஹᓫᑐÑÒSᐵ"ÓஹÔÕÖ×஺ᵯ□ᓾZÆᵯᵨ1
س>?wᐜVᵯxyḄxzeÚᨬᜧᯠVᓫᑐÑÒSᐵ:Úa\SÜe⁚ᵯxyÝÞVᵯxyḄxze7800cw»¼⊤ß=ià20¸Ḅ¹º_VᵯxyḄxze7500஺w»¼⊤ß=Æhi஺

31
N6Zᑮ+&yz⊤ḄsSÇ=—mA,ᑁ=0
2
&NÊ▅ÌᧇÎᐝÐᵯḄÑᐝ᯿Ó§Ḅ³ᓄÕᜧ+zᐰ&N◤Dyz⊤ᦋÙᡂsS3AḄᵯ⊤ᑣ◤ᙠyz⊤o⌱I“Úὶ”ᡈ“Üὶ”¸஺Ḅᵯ஺jkmᶇWNᦪ3
ᦋÙÀᡂÝ⊤¢Þᦋg&NDᓫᑐáâᐵ\UbãR
äåRyz⊤ḄᵯIᓫWmA
«ᐝ᯿Ó§EᓫWcd
@æḄᦪsᐵçèé=1Z,ᵫZᐝÐᵯḄRᓫW«ᐝ᯿Ó§EᓫWcd
@æḄᐵç=48.ᱥᳮᐶëNḄ'(ᵨ᝞-ᵬᡠÙXìíîïðឤòóôõöòᙠᐝ²öò÷øOᜐ,çNᳫ.
1üNý'(ᙠNᳫþgḄᨬÿ
ᨬ▬ᑖᐝᵯᵨᘤᳫḄ᝞ᡠ!ᑣᳫḄd=mm,#ᳫᙠ%☢ᑁ(ᙊᕜ+,ᳫ-.ᨬḄᢱᐝ012At௃-.ᨬ4Ḅᢱᐝ012At᜜2
ᡚ789ᙠᐝ:;<=>Oᜐ@ABCDEFᘤGHIᙢKDLMN2g.P#ᳫᙠ%<☢ᑁ(ᙊᕜ+,Q.CDEFᘤRᳫᙠᨬ0STḄCDᜧVF”ᙠᨬ40STḄCDᜧVFi.3
᝞W⌕YZᳫ[ᨬ4ᑮᨬ]^_`ឤbc89d◤⌕fḄᱥᳮfᨵjklmnop.ᡚ789d◤⌕fḄᱥᳮfᨵjklmnop.A.ᳫḄrfmB.sSḄtNLC.ᳫ+uᕜᡠ◤⌕Ḅ01T4
᪷wbc89Ḅxyz{ᑏYZᳫ[ᨬ4+,ᑮᨬḄ.}~]^_`ឤḄ⊤jᵨ⚪ᡠlm⊤!p5
᪷wᡚ789Ḅxyz{ᑏYZᳫ[ᨬ4+,ᑮᨬḄ.}~]^_`ឤḄ⊤jᵨ⚪ᡠlm⊤!p49.᝞ᡠ!ᑭᵨ“YZ]^_`ឤ”ḄYA஺⌕Y᝞A.ᙠ;<☢T;

32E.ᵨᜩ<¥ᡲ§
¨ṹḄªrfmF.............z«¬ᑡ®⚪(KDLMN°g):(1):ᙽ-.ᐝᵯḄMN±²⊤!2—(ᵨᱥᳮf´o⊤!)஺(2)2YZ]^_`ឤd◤⌕ḄᱥᳮfVo(3):ᙽ[☟·£+,ᑮᐝᵯḄ.}~¸¹ḄKDº_»¼(ᵨᱥᳮf´o⊤!)஺(4)⌱ᵨ¾8Ḅ1,¿ÀḄt஺_ÁÂÀ¸¹]^_`ឤḄÃVo2I1A.t-1B.t-IC.—ID.f-1tr50.ÄYᙠ“ÅÆÇᵯÈ᳛”ḄY~2»YÊË⌱ÌᑁÈGHḄᵯÍ⊤Y~ᵯÈÎÏᵯÐ[ÑÒÓ⁚஺(1)²ᵯy´ᔠTÖ⌕×ḄV______;R-©-1Hy)----------

33H.AஹBᵨòóôõᙠA.B1ᐭB÷ÐøḄsîïëIV.ùúòóûüAஹBTḄçᱏᑖQ.ᐝᵯCஹDḄᢱᐝ01hஹt2஺পßfçᱏḄNd0ᘤḄ!ᦪ᝞ᡠ!ᑣ(1=mm஺(2)Y~dÀfḄᱥᳮfVA.:ᙽAḄrfþ²ÿᙽBḄm2B,ᙽAஹBᑮᐝᵯCஹDḄtAஹtBC.ᙽAஹBᑮᐝᵯCஹDḄxX2(3)ឤḄ⊤;"#$Ḅ#ឋ&'Ep=஺(ᙳᵨ⚪-.ᐵᱥᳮḄ23⊤4)52.ᵨ᝞7ᡠ49:;<=ṹ?@A(BCṹ)DᡂḄFGḄ“I'ᐵF”K-L@AMᑮᑴᢱP,=ṹRSᑮᙢ☢஺(1)V⊝᥅YZL([“⌕”ᡈ“^⌕”)ᢞ`=ṹa(2)᝞7bcdK-ᡭfghḄijᑖLOஹAஹBஹCl4m.nḄoᦪqL.nḄrmoᦪqstᨵ4mᡭfḄqvᨵwfLᡠᵨxyᵯzḄ⚣᳛l50Hz}~LᡭqoᘤᡭBq@AḄᜧ@lm/s(ᶇrᨵᦔᦪ2)a(3)c~ஹḄLᑮiᩩqᨎḄghL@AᡭḄqlO,¡dᙠgh`£¤◞Ḅ1ஹ2ஹ3ஹ4ஹ5ஹ6¤¦moᦪqL§ᔜoᦪqᑮOḄ©ªs,«ᡭᔜoᦪq@AḄ¬V஺᝞7᪷¯°±Kᦪ¯²fḄ³i57´Lµ¶dK-=ṹḄ·l0.15kg,@A-CṹḄ·l0.50kg,£¸Z¹g=10m/s2,᪷¯I'ᐵFᵫ7´@AḄlkg(ᶇrᨵᦔᦪ2)a(4)Ẇ

34C.ᙠÈ}ᵯzḄÉÊË@AD.xyᵯzḄK▭⚣᳛ᜧÀ50Hz53.7ᵬlcD9ÆᡂḄÎ᧕¦ᵨᵯ⊤Ḅᵯ7஺7-EᵯÐLRiஹR,R3ஹR4?RsÑᵯÒ,2R6ÓᵯÒL⊤ᜮᵯy⊤GḄl0~lmA,ᑁÒHg=200Q,BlᣚᢱᐵLA×?B×ᑖØÙr⊤Ú.Û஺ܦᵨᵯ⊤ᨵ5mᢱLᑖØlÝyᵯÞ3Vᢱ?15VᢱLÝyᵯy5mAᢱ?1AᢱLßà“X100C”ᢱ஺bᵬ(1)7ᵬ-A×Ù([“á”ᡈ“â”)⁐⊤Ú.ÛÈ(2)ᐵSÈ:_________([“1”ᡈ“2”)ᵯyᢱḄᜧL᪷¯⚪åᩩæ஺«+&=஺LR-£1,R=45(3)cdܦᵨᵯ⊤ᢣ┐:᝞7bᡠ4Lì¶B×Ù“1”.ÛḄLᑣ¦ᵨᵯ⊤îᦪlaì¶B×Ù“3”.ÛḄLᑣîᦪl«(4)¦ᵨᵯ⊤ïðᵨñ⌼ᡂᵯzḄᵯ&ó@?ᑁÒÁᜧLìôõðᵨt'ö÷ßàøùLᑣᵨܦᵨᵯ⊤ᵯÒLᡠḄᵯÒúû([“üᜧ”ஹ“ü@”ᡈ“^Ó”)஺54.cKýþûᵯy⊤ᦋ
ᵨᵯ⊤⊤
30Ḅ“xio”᫏ᵯ⊤஺#6V஺A.ᵯ(E=3.0V)B.ᵯ⊤Ai(010mA,ᑁ
100஺)C.ᵯ⊤A2(00.6A,ᑁ
0.2஺)D.ᘤRi(0-300஺)E.ᘤR(030஺)2F.!ᵯR(10£2)3G.!ᵯR(500ft)4H.ᓫᑐ$%&ᐵS,()⊤*+,-.

35প1A
23“5”ᡈ“8”9⊤*:;ᵯ<=>&ᐵSᢁᔣ23“1”ᡈ"2”
஺2
ᵯ⊤=⌱ᵨ23“Ai”ᡈ“A/
,ᘤ=⌱ᵨ23“Ri”ᡈ“R2”
!ᵯR=⌱23"RJᡈ3
ᙠCD⌱ᵨᘤᩞḄFGH:CDIJKLMᵯN,,ᵯ⊤PQᵯ
%ᑣᵯTUᢣ┐ᢣᙠ|4ᜐᡠ)=Ḅ!__________Q஺55.\LM];(⁚ᵯḄᵯ_`ᑁ:a⌱ᵨḄLMᘤᩞ᝞HA.c;ᵯB.ᵯ⊤AKO200lA,ᑁ
500஺9fC.ᵯ⊤Az00.6A,ᑁd
0.3஺9D.ᵯ⊤V015V,ᑁd
5kC
E.ᵯeR09999.9Q
F.!ᵯRo2!
1஺9G.ᘤR010Q
H.&ᐵஹ-.,1
g]ᙠ⌱hᘤᩞ<:ijkᵨᵯ⊤:lmn.2
g]ᑭᵨᵯ⊤`ᵯeᦋᡂ(
2VḄᵯ⊤:stuv᝞1ᵬᡠxḄᵯN:1ᵯ⊤a
2⌱3“Ai”ᡈ“Az”
ᵯeRḄ!
0ব{ᔠ&ᐵ:}⁚ᘤ:~ᵯ⊤ḄxᦪLஹLḄᦪ:ᙠᙶ᪗U1-1211.᝞1ᡠx஺᪷Ḅ1.:aᡠ;ᵯḄᵯ_E=V,ᑁr=2ᶇᨵᦔᦪ9

3656.\ᑭᵨ;ᘤ;(Ḅ᝞1ᵬᡠx:ᵨ᪗ᓱ;(ᙽḄ᝞1ᡠx஺1ᵬᡠx~ᦪ
mm,1ᡠx~ᦪ
mm஺123cm1,1,1I,ij,HIIIII,1,1ττJI,τττ111111tiiτriI!11111110510152057.\⌕ᑭᵨ¡¢-£ᩭẆ¦ᒴ¨©.ª«¬:ᐸLM®᝞1ᵬᡠx:ᐸLM¯°᝞H:জᵨ᪗ᓱ;ᢱᐝᱏḄ¶d஺ᢥ1ᵬ¸Kᘤᩞ:s}⁚K¡¢-£:k¡¢-£ᜐ¹º»®஺ᯠ½ᵨ¾¿ÀÁÂḄÀÃ(ÄÅÆṹÈI:É(ÄÅᙽÈI:Ê>ᙽ®¹¡¢-£ḄËÄ:sᵨÌᢥÍᙽÎঝ}᦮ÀÁÂ:kÀÃᜐ¹º»®Ñ¡¢-£UḄU~ᙽÅᐝᵯÒÓÔḄÕÖs2Æṹᑮᙢ☢ḄÚᜧ¹ᙽÅᐝᵯÒÓÔḄÕÖ9:<ÜHᙽḄÝÞ®ঞᵫ☟âãiᙽ:ᵨᐝᵯÒ;ᢱᐝᱏä¿ᐝᵯÒḄ<Ôtট>ᙽæ箹ÝÞ®:ᢝᙽᡠᢞḄÆṹêᦪÎ:ᦋᐝᵯÒḄ®ÑëᦋᙽÅᐝᵯÒÓÔḄÕÖs,ìæí¯°ঞÊìLM:æᱥᑮᙢ☢ḄÚᜧ¹ᙽÅᐝᵯÒÓÔḄÕÖঠ᦮ᳮKìLMᑮḄLMᦪ஺ñòHᑡô⚪:পᢱᐝᱏḄ¶;ö÷:᪗ᓱḄxᦪ᝞1ᡠx:ᐸ~ᦪ
21=<0123cmLiu.”1H.5““,▬14Hù+û1üIr1r651015202
ᙽᙠª¿Ḅý¨aa᪷ᒴ¨ªḄ«¬ᩭþবLMᦪᨬ
ᑮ᝞ᡠḄ‘Sᵫ
ᙽḄa=m/s2»g=l
m/s2,ᶇᨵᦔᦪ$%-ᑁ

3758.'()ᑭᵨ᝞ᡠḄ,-./012Ḅ3ᔠ᜜6Ḅᐵ8.ᐹ;<=>?᝞@:জᢥ᯿᝞ᡠE,F<=,-GHIJᐝᵯMNOḄPQLঝS⊝᥅V6ᓽX⁚Zᩈ\Ḅ]^_`12a12bZᩈ\ᔣ@defJgᐝᵯMḄOhiঞ@klmn᫜Hpnqmn᫜Ḅrspm,Gtuটw12-x☠z{Ḅ-ᵫ☟}~12Gtu12ᐜefᐝᵯMᵬmḄOGI12ᑮJgᐝᵯMḄmḄঠᢞklmn᫜ᦋn᫜nqḄspঝ#টḄ>?1
ᵨ᪗ᓱH
ᐝᱏḄd,'<=efᐝᵯMᵬmḄOᑖAhmAt2,ᑣ12Ḅ⊤a=2
ᐵx<=Ḅ¡Ḅ¢A.S⊝᥅V6◤⌕@klmn᫜B.S⊝᥅V6¥◤⌕@klmn᫜C.n᫜mnqḄrsp¦§¨¨1x12ḄspD.12Ḅsp¦§¨¨1xn᫜mnqḄrsp
3
©ªᑭᵨ«,-H123ᩈ\NOḄ᥅V¬ᦪfl,'<=«()H
S⊝᥅V6☢Ḅ]^¯nmn᫜Ḅrspm,°±12ḄspM.ᑣ`I᥅V¬ᦪḄ⊤1=⊤²ᨵmஹMஹ0
59.ᢣ┐¶ᵨᵯ⊤¢<=·¸ᵨḄHp¹ᘤ»¼½@ᑡ¿⚪Á1
ᙠaᵨ¶ᵨᵯ⊤Hp©⌱ÄÅᐵÆÇ“1mA”ᢱᢣ┐Ḅ-᝞
a
ᡠᑣHp2
¶ᵨᵯ⊤HÉÊᵯËËÌḄᵯÍ᝞
b
ᡠᵯÎḄᵯÏEஹRoXÐᵯË'ÑÒHᵯËᵨᵯËÓÔÕᵯÍᵯÖI3ᵯËÓḄËÌRxᐵ8᝞
c
ᡠᑣ׶ᵨᵯ⊤ḄᑁËQ,«ᵯÙḄᵯÏ£=V.
3
@ᑡᑨÜ¡Ḅ¢o

38A.ᙠ
b
ᵯ⊤ḄÝஹÞßàᜐᑖ᪗âḼ“+”B.¬
c
¢çèឋᓄḄᡠ°ëìíî⊤ḄïðḄᦪ$Ý1ÞᜧC.íî⊤XÐḄḄ?ᦪᐵ&1@6AB'8L
ḄCD⊤FG஺61.ᔠJᩞᧇḄᵯN᳛PQRᜧSTUᢥ᝞XYZ[GᔠJ\ḄᵯN᳛஺]^᝞1
ᵨ`aZbᘤᙠJe\*fT+gZ[Je\ḄhijkP᝞1ᵬᡠFᑣoJe\Ḅhi;________mm02
ᢥ1pqrZ[ᵯstuvwNᘤgxᨬᜧz{ᔠ|ᐵ}vuvwNᘤ~ᵯ⊤ᦪᨵᦪ,ᵯ⊤ᦪ;ᵯ⊤ஹᵯ⊤ZJe\PḄᑣᵯsᦑ;@s'ᵨ12@⊤F/஺

393
᣸◀ᵯsᦑᦋwuvᜮᙠJe\Ḅ+gZ3Je\81rᐭᵯsḄᵯNRஹ᝞⊤RUC10.017.926.134.041.9//cm10203040SO᪷⊤2Ḅᦪᙠ1^3Rx-11¡4
᪷1¡Je\Ḅhi¢£oᔠJ\ᵯN᳛p=Q-m'(ᶇ¤+ᨵᦔᦪ./஺5
¥ᵨ¦Z[ᵯsᦪᜐᳮ©ᵯ⊤ᑁN=ᔠJ\ᵯN᳛Z[Ḅ«¬;'“¯jk°ᜧ”ஹ“¯jk°5”ஹ“=jk²«¬”/஺62.STU;³´µ¶·ឤ¹º»¢¼᝞1ᡠFḄG½ᳫ¿ÀÁ&ᙠ஺DᵫÂÃ+g☟ÅÆÇᵨᐝᵯÉZ35ᳫÊS+gḄËÌᵨÍÎZ3o+g6ODḄÏÐh஺';g

1;¼ᡂÒ◤Z[Ḅᱥᳮ[ᨵ'ÕÖᫀ᪗A.Á81B.5ᳫḄÙ[mC.5ᳫḄhidD.5ᳫÚÛᐝᵯÉᜐḄËÌt2
ÕÖZ◤⌕Ḅᱥᳮ[³´µ¶·ឤ¹ºḄᐵ&:'ᵨ[Z[[Ḅ.Ý⊤F/஺63.ᙠZ¹ᵯÞᵯvßᑁᵯNḄ2àáâ¼ᔠ〉ḄḄᘤᩞ஺পᵬTUᢥᵯs1aåæZ[ᐸ2R2;(çᵯNᑣ

401a11)1cজᵨéê@ëì@ᙠ1b2ᡂᵯsḄqrঝ᪷ᵯ⊤ḄᦪUᵯ⊤ḄᦪI,ê3U-I1@᝞1cᡠF!#ᵯÞḄᵯvßE=V,ᑁᵯNr=஺(jk(ᶇ+ᨵᦔᦪ.)஺(2)pTUðtZ[ᵯsqrᡂ᝞1dᡠFᐸñ]^ÕÖ᪷ᵯ⊤ḄᦪUᵯ⊤ḄᦪI,ê3U-I1@᝞1eᡠF!#ᵯÞḄᵯvßE=V,ᑁᵯNr=C(jk(ᶇ+ᨵᦔᦪ64.ᵨ1ᵬᡠFḄᵯsZ[Gᵯ⊤A1ḄᑁN஺12A஺᪗ôᵯ⊤õuvwNᘤᵨᵯNö,S÷ᑖùᓫᑐüý|ᐵᓫᑐᓫý|ᐵᵯsᵯÞᵯvß;E«þÿᳮ
ᡂᑡ஺(1)Sᔣ1,ᔠ⁚,A1ᢣ┐ᑮ〉᪗!ᵯ⊤A஺Ḅ%ᦪI஺(2)ᯠ(Sᔣ2,⁚________*〉A°Ḅ%ᦪ+,I,RḄ%ᦪᓽ,./ᵯ⊤A,ᑁ1Ḅ/23஺(3)4ᙠ678/29RḄ:ᦪ᝞<=ᡠ:ᐸᵯ1,QoAᵯ1BCDEFḄ13H,

4165.7åæ"çèéḄᵯx᳛Pপ᝞-ᵬᡠpᐜᵨìᵨᵯ⊤“xlC”ᢱîᐸᵯx7஺ᯠᵨðñòᘤᐸóô7(2)7õ>?ö÷◤C"Nᐸᵯx◀úçèé᜜>?ÅüᜓᨵḄ>?ᘤᩞ᝞:A.ᵯ⊤V(
3V,ᑁ15kC
15V,ᑁ75kC)B.ᵯ⊤A(
0.6A,ᑁ1Q
3A,ᑁ0.2஺)C.ᘤRK05஺1A)D.ᘤR2(02000C,0.1A)E.1.5VḄᵯ⁚ᑁF.ᵯG.ᐵS,!"#ᦪ%ᑣ'(ᘤᩞ*Ḅᘤ+⌱ᵨ(⌱."K”ᡈ“R2”).0ᙠ2᪾ᑁ4ᨬᔠᳮḄᵯ89:;ᡂ"ᱥ9Ḅ>66.?@AB⁚ᵯḄᵯCDᑁᵯEᩭBᙽᵯ⊤DHIJKᵯᵯ⊤ḄLM“0~10mA,30Q"HIJKᵯḄKᑖO2஺ஹ10஺ஹ120C,Q@A>R᝞9ᡠUḄᵯ8஺VWXᑡZ⚪:(1)Qᵯ8*]ḄK,R2ḄK^(2)ᵯ_Si`ᔠaa,ᵯ_S2`ᔠaBᵯ_S3`ᔠa_____ᵯ⊤ḄcᦪL;বᵯ_e`ᔠab,ᵯ_S2`ᔠaB
ᵯ_S3`ᔠa_____
ᵯ⊤ḄcᦪH(4)᪷%(2)(3),ghiᵯḄᵯC£=,ᑁᵯr=஺67.BmᵯR,ḄKnᜓpXᘤᩞq

42A.Iᵨᵯ⊤B.ᵯK⊤Gi0-100mA,ᑁ1L5஺MC.ᵯK⊤G20~50mA,ᑁ1N2=10஺MD.O3ᵯ1Ro20஺ME.PQR1ᘤRi0~5£2
F.PQR1TR20-100ft
G.UKᵯV
3.0V,ᑁ1WXMH.Yᐵ7[\]^4_
DᵨIᵨᵯ⊤`a⊤“xl”ᢱc/ᵯ1ᐸ13᝞<ᵬ9ᢣ┐ᡠ:ᑣR,Ḅ13ᜧLg2
PQR1ᘤh⌱jkᘤlḄmnM஺3
4gᵨG2⊤/Rxopᵯqrᙠ<=shḄt^᪾9
ᡂvwᵯxyXj⌕{|PQR1ᘤ}~⁚ᵯ⊤%ᦪW~2ḄjM4
⊡ᐰvw|a.ᢥ<=ᡠ:ᵯx<ᵯxR1ᘤPQᜮ*ᨬpj⌱“”ᡈ“”
b.ᔠYᐵS,QR1ᘤPQᜮ*67GiஹG2⊤Ḅ%ᦪhஹbC.I8QR1ᘤPQᜮhḄGiஹG2⊤Ḅ%ᦪ1|ஹ12d.D12,ᙶ᪗L,ᙶ᪗h<^᝞<ᡠ:ᑣ./ᵯ1RxḄ13,஺jᶇoᨵᦔᦪM஺68.ᙠ6¡¢ᑭᵨDIS¤¥s¦ᙠ§¨ᘤᑁḄ7O©2Ḅª«¬o8®¯ḄẆ±஺²78gᙠ³®´¯µஹ¶·¸ᦋRª««º»«º¼hḄq½¾²¿8ᙠÀÁ®ÂÃ᛻ÅÆÇ71
ÈÉÊ(A¡¢Ëᑴ¬Ço[®¯Ḅᐵ¤<^᝞<஺ᑣÍ᧜ª«ᙠ²¿8vw9Ḅ

43P-ᐵs9Ḅtu⌱.“1”ᡈ"2”
2
Q@Atvwxyᑁᨨ{|}"~᛻ᓣḄ஺ᙠmᓣḄw
*ᘤᙢᙠ☢'gpᵫ஺ᑣᙠBw
*ᑁḄᔊBIu⌱.u“”“”ᡈ“,,Ḅᓄw
0¡Bᓄw
ᙠ9*¢£__________«u᜜¦ᜧL
xl05pa
69.?"#¨!ᵨXᑡᘤᩞ4᝞9ᵬᡠUḄª«⊤ᵯ8vw}¬ᵯ_SD}⁚ᵯgª«⊤ᐹᨵ“xl”“x[O”°±᳛஺r[~EO³⊤´µ⊤´ᵬA.ᵯqᵯCE=L5V,ᑁr=0.5QB.ᵯ⊤mA¶·ᵯIg=lmA,ᑁRg=150QC.JKᵯRi=1200QD.ᵯR2ᨬᜧK999.99஺E.JKᵯR3=150CF.ᵯR4ᨬᜧK999951Gᵯ_BIµஹ³⊤´ᔜ1¹পQ"#¨!ᢥ9ᵬᡠU¼½>R¾ᵯ8஺¿ᵯ_SÀÁ¡µஹ³⊤´ÂR}⁚ᵯR2,ᵯ⊤Ãᑮ¶·ᵯÅÁ`ᔠᵯ8ḄÆᵯÇȪ«⊤ḄᑁRᑁᑣÉᑁ=஺ª«⊤Ḅ±᳛tu⌱.“xi”ᡈ“X10”2
`ᔠᵯ_SÊBËq}⁚ᵯR2,¿R2=QÁ,Ì¡µஹ³⊤´ÂRᵯ⊤ÌÍÃᑮ¶·ᵯ^ÊÎËqᙠµஹ³⊤´ÏRᐭᵯR*}⁚RÑ¿ᵯ⊤ᢣ┐ᢣᔣ9ÕᡠUḄÖÁ×+Ḅª«⊤ḄØKSlo70.?"#¨!⌕È“ÚÛ¨ÜᡠÝ᜜Þßàáᐵs”Ḅ"#âᵨḄ"#ã᝞91ᡠU஺“ÏitᘤÐÑOPÖÒÓ7⊵-ᙠ7Þäå/ØᩈÚIRR1
æ"#*u.“◤⌕”ᡈ“◤⌕”⊝᥅êÞu.“◤⌕”ᡈ"◤⌕”ìṹḄîï¨ð¨ÜḄî஺2
Q@AᙠẆÛ¨ÜòÁᡭ£Bᩩõö᝞92ᡠU஺ᙠõö'>÷5IøBIᦪøù

44Ûo[XᦪÜÝḄÞßà8,xi=1.45cm,X=2.45cm,X3=3.46cm,ᑘ=4.44cm,x=5.45cm,x=6.46cm,256ᡭXᘤḄ⚣᳛f=50Hz,ᑣᡭæçè²5[XᦪÐéḄêÂ,m/s᦮[¯9ÐéḄìᙳîêÂ,m/s2jÈïᙳᶇ2ᨵᦔᦪMo71.ᙠ“ᵨᵯK⊤¼ᵯq⊤/ᵯðḄᵯQñ¼ᑁᵯ1”Ḅvw9EFḄᘤᩞᨵ|A._ᵯð7⁚B.ᵯK⊤j20.6A
C.ᵯq⊤j23V
D.YᐵS¼4_]^E.PQR1ᘤ4jᨬᜧ1320஺ᐕôᨬᜧᵯK1A
F.PQR1ᘤõjᨬᜧ13200a,ᐕôᨬᜧᵯK0.5A
G.PQR1ᘤ&jᨬᜧ132000C,ᐕôᨬᜧᵯK0.1A
1
ᢥ<ᵬᡠ:ᵯx/2_ᵯðḄᵯQñ¼ᑁ1PQR1ᘤh⌱j“4”ஹᡈ“6"2
<=ᵯx9÷ᑖ]^ùrᵨúû^üý]^ᵯx⊡ᐙ
᦮—⌕ᘤḄᱏᨬᐸᵨᵯᨬᜧ஺3
ᔠᐵ⁚ᘤᵯ⊤ᵯ!⊤Ḅ"ᦪ஺ᵨ$᪵&'()*+ᦪ,-./(0Ḅᦪ,᪗ᙠ᝞45ᡠ"Ḅᙶ᪗489:;4<,ᵫ?0@(ᵯAḄᵯBE=V,ᑁᵯr=Qoᡠ0ᑁḄ()DE.FGIJ“Lᜧ”ஹ“LO”ᡈ“FQ”RISTᙳVᶇXYᨵᦔᦪ\R஺72.ᵨ]^'_(ᑖaᜧOḄ./bc᝞deজᔣhijV1Ḅk]⏚8mᐭ⏀pqᑮ]⏚⏀pstu)jV2ঝᵨwxᘤᔾz{st|}|}ᙢ}ᐭO)}ᐭn}hijV஺ঞᐜj30~40cmḄ᎔ᐭ2cmḄটᵨwxᘤ☢z}|}z{stQ]⏚ↈ^-ᐜᜓḄᴻᙠzᙠᴻz;]⏚ↈ^Ḅঠ-ᨵ]⏚ↈ^¡¢Ḅᴻᙠᨵ£*jaḄO¤&Ḅᙶ᪗¥zড§¨;¡¢ªᑁ¤&ḄuᦪjN,ᐸ8«¬®¯ḄX®¯¨|¯*°®¯Ḅ¨|¯஺z{./bc8ᨵ⍡²┯´⍡²Ḅbcµ;┯´Ḅbcµ

45uᢣúËû:ᦋ¼ý⏚ᑖÿ
Ḅ⊤“=73.⌕ᵫᩞᧇᑴᡂḄᙳᒴḄᙊḄᵯ᳛p஺"#᝞%&1
ᵨ20ᑖ)Ḅ*᪗ᓱ-ᐸ/)᝞01ᵬ3ᡠ56ᵫ078ᐸ/)9cm2
ᵨ;<=ᘤᐸ
᝞01?3ᡠ56ᵫ078ᐸ
9mmবᵨ01A3ᡠ5ḄᵯBCᐸᵯD6ᐸERஹGHḄᙊ6R9ᵯI6ᵯJᵯKL9E,ᐸᑁNO஺ᙠQRSᐰḄUV%WXY⁚ᵯI6[\W]ᵯI5ᦪR_`aḄᵯb⊤5ᦪU,ᵫcḄᦪd6e\f᝞01g3ᡠ5Ḅ0h6ᵯRL_C1ijQᶇlmᨵᦔᦪp36qᦪDrᵯḄstDRouv6Rx____Ro4
᪷dxyᦪdOz\ᙊḄᵯ᳛p=.74.{Ḅ|}ᵨḄGᙽḄᵯ1ᵯ36᝞0ᵬᡠ56᪗ᵯKL99V஺⌕ᵯt▭ḄᵯKL_ᑁ6tfx%ᘤᩞ&A.HᵯB.ᵯb⊤10~3V,ᑁ94kC
C.ᵯ⊤10~0.6A,ᑁ91.0஺3D.ᵯ⊤10~3A,ᑁ91.0஺3E.ᵯI1D0~999.9C
F.ᵯI1D0-9999.9Q
GKᘤ1D0200
H.Kᘤ1D0~20kC
Lᐵஹh

461
·$¸᪷,ºᨵḄ./ᘤᩞ¼§½᝞4¾ᡠ"Ḅᵯ¿4஺᪷,᝞4¾ᡠ"ᵯ¿4᝞45ᡠ"4ÀjÁᡂ·./ᵯ!⊤Ã⌱,ᵯÅÃ⌱ᘤÃ⌱IᙳJᑏᘤᩞÇ\È᪗ÉR2
./◤⌕Ëᵯ⊤)Ì᡽ᜧj0~9V஺·$¸ᢥ4¾ÏÐ./ᘤᩞÑÒᵯ¿Ó´-RiḄᱏÔᑮᨬ-ᵯÅR2jÕÖS3,ᔠS”-S2Ða,〉ÔRiḄᱏᵯ⊤"ᦪj2.40VVᢝRiÐᐭᵯ¿8Ḅ«ᦋᵯÅR2Ḅᵯ⊤"ᦪjVÁᡂ᡽ᜧ)ÌÖSloবVᢝᵯÅR2«ᐵS2Ðb,ᔠS3ஹS”ÛÜᑮÔR1Ḅᱏ(;*+UஹL:;U-I4<᝞45ᡠ"Ý0·ᵯAḄᵯBjV,ᑁj75.᝞4ᵬᡠ"j()ᩈᙽᩈá᥅ãäᦪḄ./åæ4¬çḄᩈæ°èᙢ☢zOᩈᙽæᙠᩈzDéêëìᘤFÏéêëìᘤÝí;ᙊïð⍝஺ᩈᙠ᜜ó:ᵨdᔣÔ0ᑮéêëìᘤḄ"ᦪFDôõè&ᔣḄᜳ÷஺áḄᐵø4<᝞4¾ᡠ"mi0m/s2
oIùᫀgVᶇXYᨵᦔᦪ\Rᵬ?1
ᩈᙽᩈáḄ᥅ãäᦪJi=;2
ᩈᙽḄû)m=kgo76.ü./O+ý-|)Ìj2VḄᵯ⊤Viᦋåᡂ)Ìj3VḄᵯ⊤◤þ()ᵯ⊤V1Ḅᑁ,ÿ
⊤Ḅᑁ2k஺஺⌱ᵨḄᘤᩞᨵᵯ⊤V2
5V,ᑁ5kC
ᘤRiᨬᜧ100஺ᵯ⊤0.6A,ᑁ0.1஺ᵯᵯ!E=6V,ᑁ"#$ᵯR%&'()*+⌕-஺

47B—⊈/ᵬᵯ⊤VḄᑁ*+ᵯ1//2MஹN*+45⌱ᵨḄᵯ⊤஺(1)6⌱7ᔠ〉Ḅᵯ⊤:;MஹN,ᢥ᯿ᵯ1/ᵨ>ᩩ:;@>AB*+ᵯ1C(2)*+ᵯ1DEABF⁚ᘤM⊤ḄHᦪY,N⊤ḄHᦪX,6ᵨJ⊤ḄHᦪK$ᵯR⊤Lᵯ⊤ViḄᑁC(3)ᦋᘤᱏḄOPQᑮS5M⊤KTUVWḄN⊤ḄHᦪXYZ[ᙶ᪗^_`abcM⊤(eᙶ᪗)KTUVWḄN⊤ḄHᦪ(gᙶ᪗)Ḅhᦪ/i஺jkM⊤KN⊤lmnᑮ(oᑣhᦪ/iḄq᳛;(tuvᶇ2Oᨵᦔᦪy)(4)jQᵯ⊤VḄᑁzERo,ᑣ{⊤ᦋᡂ3VḄᵯ⊤◤(⌱~“”ᡈ“”)ὶᵯḄ஺77.᝞/ᵬ“TᓄḄᐵ^”Ḅ*+P0᱐Ḅ4ᙠ1ᩩbᵨcmV4ḄW;ᵨ2ᩩஹ3ᩩ……ᐰlḄ¡¢2£ஹ¢3£……*+mᵫ¥¦£*+2Ḅ§¨©lª¢2£ஹ¢3£……*+2V4Ḅᑖ¬2Wஹ3W……¦£*+24QḄᨬᜧᵫᡭa#mᘤᡠᡭcḄ°±-c஺²Ḅ(1)ᐵ¥³*+ᑡµ¶2DEḄ_(~⌱⚗¹ºy»)஺A.¼½¾⊝᥅ÁÂB.ᡭa#mᘤÃᵨÄᵯÅÆᵯC.¦£*+4¼½ÇlÈOPᵫ☟ÊËÌD.Ã⌱ᵨÍÎ"lḄ(2)/ÏУᵨ1ᩩ*+ᡭcḄ°±QAஹBஹCஹDஹEÑJaÒḄÓÔᑖ¬AB=1.60cm,BC=1.62cm,CD=1.64cm,OE=1.64cm,ᑣ4QḄᨬᜧ—Ö/s஺᝞uᵨ2ᩩ*+ØÙᙠᳮÛÜ4QḄᨬᜧÝ(tuvᶇJOᨵᦔᦪy)஺

48ᓫOe.j+1.60+162-f*-164-4-Lß4178.Ðlàá#ÃḄ*+ÐÈ4ᵯâḄã*+ä⌕åæ᝞ᡂᑡ~ç஺1.52cm1.50cml.51cm012cmcWfrWrcᵨ0510ABCDᵬA(1)ᵨè᪗ᓱêᵯâãëḄZì᝞/ᵬᡠLcm஺ফîÈ᪷ðñḄòឋḄô>õô>ḄÈöᵨ÷øùÂúûü$ᙠᵯâḄãëÜ஺(3ýþ/ÏᡠLõô>Ḅÿ
ᵨᜳḄ
ᡭᘤḄ▲஺ᡭᘤᡠᵨḄᵯ⚣᳛!50Hz஺(4)ᡭ"ᡭᘤ#"$ᵯ$%&'()᣸ᑡ,ᙠᵯ$%Ḅ./012$ᔣ4$ᡭ5Ḅ᝞78ᡠ9஺ᵫ;0ᦪ=>ᵯ$%Ḅ.?!r/s«(>BCDᶇ᦮ᦪ)(5)HIJKᙠLMNOPQRBCSᜧ஺ᑏ5⌼ᡂXLMNOḄYZ[\79.]1^ᵨ᝞7ᡠ9_`a“cde?fᔠhᐵL”ḄHI஺Qkl(mᐝᱏ)ḄpR!Mq(1)HIrᵨs᪗ᓱvQ5mᐝᱏḄwf9ᦪ᝞7ᡠ9ᑣmᐝᱏḄwf!4=—cm஺(2)!yP&'Ḅ2hz{|}ṺṺ᫜ḄhoA.ᩈḄ
〉q;⊝᥅hB.ṺṺ᫜ḄpR}lḄpRC.mᐝᱏḄwf(3)⁚_`lᵫ☟ᐝᵯḄᘤ9lᐝᵯmᐝᱏḄmᐝf,⌕QRl4$Ḅe?f◤⌕QR__________(¢ᑏ◤⌕QRḄᱥᳮR¥¦)§XᱥᳮRᵨx⊤9,ᑣl4$Ḅe?fᜧ!(ᵨQkḄᱥᳮRª«⊤9)஺(4)Dᢝl)Ḅ`®¯ᐝᵯḄ`®¯ᦋ¯ṺṺ᫜ḄpR±HIQk²³

49lᐝᵯḄmᐝf´ṺṺ᫜ḄpR%!yP7µ¶·¸ᙢº᧜ᱥᳮR¼ḄᐵL½X¾5______¿¢“eÀஹ“%”ஹ“eÔᡈ“e!”Æ7µq7µ!ZḄᩩÈÉḄ·'tt⊤ÊpRËe?fᔠhᡂÌÍ஺80.]1^ᵨ7
a
ᡠ9ḄHI_`IÎ%϶ÐឤËÒᐸJᡭᘤḄᵯÔ!ᵯÔÕ;PᵨḄ⚣᳛ᨵ20Hzஹ30Hz40Hz,ᡭ5Ḅ×ᑖ᝞7
b
ᡠ9.ᡭdX1^ᙠHIJÚᨵÛÜᵯḄ⚣᳛/,◤⌕ᵨHIᦪ=ᐸÞᩩßàáâ>.1
§ãᡭ5ḄÕᑨËᱥᒴe?æçᑭᵨ/7
b
Jé5ḄᱥᳮRÕ;ᑏ5\ᙠᡭᘤᡭ5BᱥæçḄ?fᜧ!,ᡭ5CᱥæçḄ?fᜧ!,ᱥæçḄe?fḄᜧ!.2
êQkS]=8.89cm,5=9.5.cm,S=10.10cmqhe?fᜧ!9.80m/s2,ëIJᱥìᑮḄ23ᙳïhᜧð!ᐸhḄ1%.ᵫñâ>5/!Hz.81.²ᵨᵯ⊤ḄZᳮ᝞7!ò᧕²ᵨᵯ⊤Ḅᵯô7஺7JEõᵯö÷RøR2ஹ&3ஹR4RsõùËᵯï,R6õÕ¯ᵯï÷⊤ᜮGḄûSᵯ!250HA,ᑁï!480஺஺ý'þ᪾ᑁ
ᣚᢱᐵABᑖ⊤஺ᵨᵯ⊤ᨵ5ᢱ5ᢱ
ᵯ1Vᢱ5Vᢱᵯ1mAᢱ2.5mAᢱ,X100Cᢱ஺⊤ᜮপ!"ḄA%&“(”ᡈ“+”,⁐⊤./2
᪷1⚪3ᩩ567Ri=C,R?=R&=Rs=82.89:;<ᑁ=
100஺ஹ?@
300HAḄᵯAGᦋCᡂ⊤⌕FᦋCG⊤Ḅ0HIJ

50KLMᵯ⊤⊤NḄ300MAHI஺6⌱ᵨḄᘤᩞRᨵSTᵯ=R1%=T25C
STᵯ=R2%=T100஺,/UVW=ᘤR%ᨬᜧ=T1000Q
;Zᵯ[
E=1.5V.r=2C
(ஹ+⊤\]^Z஺ᦋCᵯ_᝞!ᵬᡠc஺1
STᵯ=d⌱ef%&ᐗ5hi,.ᦋCGḄ⊤Ḅ"Tᵯ=
f2
9:ᵨᦋCGkl᪗cLdHIḄ⊤n?ᑁ=?@ᙳlpḄᵯ⊤VḄᑁ=஺qr᝞sᐜ<⊤Ḅ(ஹ+⊤u.v⁚—&!ᵬ"Ldᐗ5yi,zᵯAGᢣ┐ᢣᑮ—A~

5184.ᙠ“nSÐÑḄᵯ=᳛”"1
ᵨÓÔnÕᘤn?ÐÑÖḄ×n?ÈÉ᝞!ᵬᡠcᐸcᦪ
—cmᵨHIÙn7ÐÑÖḄI᝞!ᡠcᐸcᦪ
cmᵨ⊤Úᶍn?ÐÑÖḄᵯ=⌱e“X1ᢱn?cᦪ᝞!ᡠcᐸcᦪ
2
ᵨÜݸfqÞnÐÑÖḄᵯ=R,ᡠᵨᘤᩞ᝞s:a.ᵯ⊤A%?@
0.2A,ᑁ=
1Q
b.ᵯ⊤V%?@
9V,ᑁ=à3k஺,c.STᵯ=Ro%=T
2஺,d.UVW=ᘤR%ᨬᜧ=T
10Q,áSᵯ
2A
e.ᵯ[%ᵯVâ
9V,ᑁ=ãA,f.ᐵஹ\]^Zজ89:ᑭᵨæÀᘤᩞAᵯ_çᑖᵯ_!᝞!èᡠcéêᵯ_!⊡ᐙí᦮_____o%⌕®UVW=ᘤḄUᱏñòóV²ᵯ⊤ᙳãôõö,ঝ8ø"ᵯ⊤Ḅcᦪ
4.5V,ᵯ⊤Ḅcᦪ
0.1A,ᑣÐÑÖᵯ=ḄT
஺/᪷1n?TF7ÐÑÖḄᵯ=᳛
flm஺%AùÈÉᙳᶇËᨵᦔᦪÍ,85.8ᐶû;n?Uᙽ¯§ᩈḄV᥅ᦪüýAþfC᝞!1ᡠc஺9:✌ᐜ
Ḅᩈᙠ☢ᐸᯠᢞᱥᙽ!ᒴ#$%&ᡭ()*ᘤᙠ,ᡭ-.ᑡ(.1
12234567Ḅᩩ,Ḅ9ᑖ;<=)ᦪ(?Ḅ@A᝞1ᡠDEFᵯHḄ⚣᳛K50Hz,;<=)ᦪ(?Lᨵ4N)*(O᪗-᪷R15ᦪR)SḄ#$Ta=/s2.UVWXᶇ=mZᨵᦔᦪ\]

52(2)K_&᥅abᦪcdefghᐜᵨjk_l)_-ᙽmᱥḄlᑖn᝞13ஹ4ᡠDᑣ13qrḄDᦪKN,14qrḄDᦪKN削N4包心N三三-三n三Ir1三-三-三-l三-一i一三-h-2h三-2一三,一m一一-指针，4一n-=一n三=一三n-g---n三三=m-一3==nE-三3-=--n-===-n三-==n一===-=-4-n三4=-m=--r3=图E-一*(3)l#$Tg710᪷/S2,ᙽmᩈ?Ḅ&᥅abᦪ஻=(VWXᶇ=Zᨵᦔᦪ\)஺86.34deᵨDISᩭẆᱥ#$TmḄᐵ.34᝞1ᵬᡠD஺ᐸ5dZᘤḄKM,ᡠᢞṹK஻d?Ḅm⍝☢)m?Ḅ᥅all#$TKg஺1(1)E⊝᥅alᙠd!ᒴ#$¡¢%&£¤55Ḅ¥lᜧdὡ=(ᵨ⚪5ᡠ©EFᱥᳮ«¬ᩭ⊤D)®¯dḄMᡠᢞṹḄ°?±²*³´µ¶KqdḄ¥lᜧd·¸ᡠᢞṹḄl®(2)XᢝṹḄºᦋºdḄfg᪷R34ᦪR¼-஻1¢᝞1ᡠD´F½M¢Ḅ¥lKN(Xᶇ=Zᨵᦔᦪ\)஺87.fg¾▅ᵯ&ᵨÀÁÂF⍝ÃÄᵯ&ḄᵯH2ÅÆᵯÇÈ£µÉÊË_cᵯÇḄᵯ&Ìᑁᵯ.

53ᵬপᐜᵨÏᵨᵯ⊤Ð_ᵯÇḄᵯ&Ì.ÑÏᵨᵯ⊤Ḅ⌱ÓÔᐵÕᑮ¡×ᵯØ50Vᢱ
=⊤ÚmᵯÇ=᩽Üᵯ⊤Ḅᢣ┐Z᝞1ᵬᡠDßᦪKV.2
àᵨ1ᡠDáâã_.Ïᵨᵯ⊤Ḅ⌱ÓÔᐵÕᔣᔠ〉Ḅ¡×ᵯ×ᢱmç⊤ÚḄr2ᵯÇḄ᩽.èᔠÔᐵᦋºᵯéḄêR,ëᑮfḄᵯ×êL᪷R34ᦪRË-1ì᝞1íᡠD.EF15¡¢Ḅî᳛Kk,ïðñ@Kb,ᵯ×᫏ḄᑁKóᑣôᵯÇḄᵯ&ÌE=,ᑁr=UVWᵨ\õkஹbஹµ⊤].3
Ïᵨ⊤¡×ᵯ×᫏Ḅᑁqᵯ&ÌḄ_êᜧdU⌱ö“ᨵ”ᡈ“ú”]ûü.88.Ufg⌕_þÿḄᵯ᳛஺1
᝞ᵬᐜᵨ᪗ᓱᐸcm,᝞ᵨᘤᐸmm,᝞ᯠᵨᵨᵯ⊤XI஺ᢱ#ᐸᵯফ%&'()*+,◤./0ᐸᵯ,◀234᜜,()67ᜓᨵḄ()ᘤᩞ᝞;:A.ᵯ=⊤V>?@3V.ᑁB15kC
B.ᵯC⊤A>?@0.6A.ᑁB1஺DC.EFGᘤRiO_5஺,0.6A
D.1.5VḄIᵯJK⁚,ᑁMNE.OᐵS,QRSIজUVNᔠᳮḄᵯY,Z[ᙠ;]᪾ᑁ.ঝᵨa☢cḄ34QR1ஹdeᵯR,f᪷h⊤ijp=klᡠ34Ḅᵯ᳛஺89.ᙠ“ᵨDISẆpᙠqMGr,/st?Ḅuv=wxvyḄᐵz”()|,}~ᘤ|20mLᜐ,ᯠᘤ=wᘤZO(),uvvyV&'2mL/=wp,

54()ᦪhᙠ;⊤|ᨬcᑮPeVḄy⌲&'.V(mL)p(xlO5Pa)pV(xlO5Pa«mL)120.01.001020.020218.01.095219.714316.01.231319.701414.01.403019.642512.01.635119.621(1)(ᓫ⌱⚪)⌼ᡂa()¡¢Ḅf£¤¥¦ᙠ()§@|(A)ᘤ|ᨵ¨ᱥ(B)()rª᛻q¬ᜧ%.(C)()r᜜®ᜧu=w¯°%Gᓄ.(D)()rᘤᑁḄ²uᔣ᜜¯°%´µ.(2)ᵫ·f¸¹,º~Ḅ()¡¢f£________(⌱¼"a”ᡈ"b”).*_,6_01p0\pa(a)S(b)(3)S¾/~ᵨ¿ᜧḄᘤᙠ~/()6À(qMG)Á~/Â(),()ÃᘤÄÅ,ÆÇÈ,ÊË|O(),ᑣclḄÍ/ÎÏḄÐ᳛Ña/~RÒᑖḄÐ᳛ÔÑ(⌱¼“¬ᜧ”ஹ“&'”ᡈ“Ô~”).90.}~Õᑮ}ÖÈ×ØÙᵯḄÚÛÜ,Ý៉ᐸßàqGᓄḄR᝞ᵬᡠá஺)âãÂRḄfä,}~VN%/Â)âឋ(),◀ØÙᵯRæ᜜,()67çè᝞;ᘤᩞéᵯêE(ᵯFë4.5V,ᑁB1Q)ஹᵯC⊤A(?@1mA,ᑁB200஺)ஹᵯ=⊤V(?@3V,ᑁB10k஺)ஹEFGᘤR(ᨬᜧß20஺)ஹOᐵSஹQRSIஹìíஹqNeî஺ᵬ

55(1)ËᵬfïÕlºØÙᵯḄßàqGᓄḄÈð¦/ñ(2)¦()ᘤᩞḄ(ᱥ,|ò%ÒᑖQR,Uᵨó[RôõQRöᵯYÄ᦮_____;(3)ùᔠOᐵú,EFGᘤḄEFûᜮPý/þ(¼"a"ᡈ"b”)(4)º'ÿḄ
ᑭᵨᵨḄᙠḄẠᵯḄRt-t᝞!ᡠ#$%&'(ᨵ*+Ḅ,-ᐵ/0,Ḅ12ᦋ456789Ḅ:A.ᙠ;<⌲>ᓣ@ḄAB7ᵯḄC&0,DᩭDᜧB.ᙠ;<⌲>ᓣ@ḄAB7ᵯḄG&0,DᩭDᜧC.ᙠ;<%H@IJA〉LMᜧᵯNOḄᵯPQRSTUNᩩWXḄ,-D.ᙠ;<%H@IJAᦋYᵯZ⊤Ḅ\1RSTUNᩩWXḄ,-91.1590]^ᑭᶍᙠ%⃬aᛞcd“Nfgᳫ
Iiᙢ”ḄlmnodpᵫirḄẆt஺v
ᵨ᝞Iᡠ#ḄlmwxẆtpᵫirwx7ᵯyzᡭ|Iᘤ~\ᙠᵯPVஹ⚣᳛f=5()HzḄZᵯ஺lm7ᐜᔠnᐵ஺ᡭᩩ஺⌱*ᩩᨎ᦮Ḅ4Ẇt⌱ḄᡭNfḄ-ᶍU/mm(ᶇ1¡ᨵᦔᦪ¤)஺⌱Ḅ᝞2ᡠ#7¦d§¨©Ḅ-ᵫªR«ᡭCIḄ¬•1•1•,11°.~>e-5.9—*(ᓫ¡:cm)(b)(1)☢:lmḄÏ⌕ÑÒ:

56জÔwÕ¸¹º»Ö⁚¸¹º»ḄÖ⁚ØÙÚº»ÛÜᔣ¸¹º»JᐭPß³¸àঝâᵯµᡭ|Iᘤã+ᙠä☠¸¹º»æOçèéAᡭ|Iᘤêã+ᙠÁᙽ1ḄæOÖ⁚ᡭ|IᘤḄ@<ëìÁᙽíḼï½IoðᙠÛÜᔣñᙠ
*ëXòঞᙠUÁᙽ2ã+*fô?@)ᐝᱏ)ᐝ(+ḄAᙳCt=0.700ms±ঢ

57½ª«ÆᩭᙽÈᵨᵯ⊤⊤Ê᝞9
c
ᡠ;஺¨ËÈᵨᵯ⊤ḄᐵÍᑮÎÏ᫏ḄX1K᫏ᑣÎÏ⊤Ḅᑁ³H¨ᵨÑÈᵨᵯ⊤ḄÎÏ᫏?@ABR2ḄC90Q,ᑣ⊤GᑁḄAFRg=—஺H⊤ᑁḄ

58JKLMR____R(Oᡈ“v”)g(2)UVᶍKXḄYZ[\⊤Gᦋ^ᡂF`C30mAḄᵯa⊤ᑣ◤⌕dὶ,fR=—஺Ḅᵯ(3)᪷hbᡠjᵯ
kᦋ^Ḅᵯ⊤lmnAo᪗q⊤ḄjᦪC16.0mAsᦋ^⊤Ḅᢣ┐-.᝞cᡠjᵫuvwxAyᦋ^Ḅᵯ⊤F`&z⚜|ᦋ^ᵯa⊤ḄF`z_mA(4)⌕}ᑮ⚜|~ḄABḄᑁzᔲ;<&AF◤⌕CRḄᵯᣚC,fCkRḄᵯᓽvᐸk=—96.᪥KXCAF,ᙳᒴḄḄᵯ᳛KXᜓ⌱᝞1ᘤᩞ7Aᵯa⊤AiF`C10mA,ᑁ=50஺Bᵯa⊤AiF`C0.6A,ᑁ0=0.2஺Cᵯ⊤V,F`C6V,ᑁ¡¢C15k஺D.£¤'ᘤR,ᨬᜧC15C,ᨬᜧᐕ¦ᵯaC2AE§ᵯR|=5CE.§ᵯR2=100஺G¨aᵯ©E,¤ªC6V,ᑁ«H.ᐵ,f¬UI.¯ᵨᵯ⊤J.±²A³ᘤஹ!"µ(1)ᵨ±²A³ᘤAFḄ¨¶᝞1ᡠjᑣḄ¨¶=mm.(2)KX✌ᐜᑭᵨ¯ᵨᵯ⊤AḄᵯ᝞2ᡠjᑣḄᵯCa(3)KXºᵨ»¼l,?ᙢAFḄᵯᑣᵯa⊤¾⌱¿,§Á¾⌱¿.(Ok¾ᘤᩞÂḄÃÄÅÆ)(4)ᙠ᝞3ᡠjḄÈ᪾ᑁÊyKXᵯ
Ḅᳮ.(5)ᵯ⊤Ḅjᦪ0CU,ᡠ⌱ᵨᵯa⊤Ḅjᦪ0CI,ᑣËᵯḄ⊤}ÌRx=,ᵨ!

59)-cHĘ̈Ḅ/)9L,ᑣᵫᵯ᳛ÎÏ7c\Ę̈Ḅᵯ᳛.1ᵨpÐ⊤5397.ᵨ᝞0aᡠ5Ḅᘤᩞ6⁚ᵯḄᵯKL_ᑁt஺পᵨÒÓhÔÕh6Ö0a×Øᡂ7ÙᡂtḄᵯB10EÚ×ØfÛᑖh3;ফtÞE6ÖᵯIßᑮ45஺á6ᵯb⊤[ᦪ90.90VÖᵯIßᑮ᝞0bᡠ56ᐸDG஺6qáᵯb⊤Ḅ[ᦪ᝞0cᡠ56ᐸDGVব᪷dxyᦪd67xz\⁚ᵯḄᵯKL£=V,ᑁᵯr=98.ãä_ãålmᑖæᵯb⊤ViḄᑁ.
1ᐜᵨYèḄéê⊤“xlK”ᢱᵯb⊤ViḄᑁ6áéê⊤Ḅì⊤Òrᵯb⊤Ḅ1í“+”ᡈ,,,,3ØhØñ6ij᝞0ᵬᡠ56ᑣᵯb⊤V1Ḅᑁ9kQ.2
9fòóᵯb⊤VḄᑁ6ãäᵨ᝞0?ᡠ5ḄᵯB6ôᔠᐵḄöÖKᘤḄᱏøᑮᨬ1í“ú”ᡈ“û”3ü6ᵯIØᐭᵯBḄᵯYᑮᨬ1í“ᜧ”ᡈ“ã”36ôᔠᐵS1,Y⁚Kᘤ_ᵯI6ÿᵯ⊤ᢣ┐Ḅᜧᵯ⊤V1ஹV2ḄᦪᑖUiஹU2,ᵯḄᦪRo,ᑣᵯ⊤VIḄᑁᵨ஻=.3
!"#$ᵨ᝞&'ᡠḄᵯ)*ᔠ,ᐵSi./ᓫᑐ23,ᐵS2ᡭᑮ1,6⁚89:ᘤḄ8ᱏ=ᵯ⊤V2Ḅᢣ┐ᜧ.>?ᵯ⊤V2ḄᦪU,@/ᓫᑐ23,ᐵS2ᡭᑮ2,6⁚ᵯ=ᵯ⊤V2ḄᦪAᯠU,CDᵯEᐭᵯḄᦪ᝞&Gᡠᑣᵯ⊤V1ḄᑁRyτ=Q.99.H#$IJKLMNᐹPḄ!QRᵯ9S9ḄTᜧ!᝞&ᵬᡠ/QVW3cmḄᙊYZ[ᙠᵯ9S9]P/^_Ḅ`abJᡭcdDᘤeZ[ᙠᙊYḄf☢ᙊY9D^_hi

60ᔁᙠᙊÏḄÐ☢[ᡭÓÔsᘤᡠÕaᵯḄ⚣᳛C50Hz.012345×hiJiiiihØIIÙÚLilwLuhÛÜÝÞ
1KXs¾ᐜßà⌱O“ᵯ¤á”ᡈ“ᡭÓÔsᘤ,‘ãᵯ©.2
KXBᑮ,ᔁÏäᙠᙊÏ[Ḅåæåæçy,AFLè2fÓ+éḄê"L”wëusᙊÏḄ¨¶ìíçyîêḄ,åæᥟᣵᯠçy,AFLè2fÓ+éḄê"L2,wëusᙊÏḄ¨¶chò[\?@ᦪh0óᙠ⊤ôᐸ,åæ᝞ÝᡠjABᡭ1õöÓsåæ÷¤Ḅø"ᜧCm/s.ABusᙊϨ¶C5.60cm,ᑣvùBᵯ¤á¤Ḅúø"Crad/s.û9ᙳ$ᶇý-ᨵᦔᦪ
3
᪷ᦪ
Vᙊd
Ḅᐵ᝞!ᡠ#.ᑖ᪆',)*ᵯ,-Ḅ.ᙠ012345⌱7“9ᜧ”“<=”ᡈ“?@”.100.#AB“CD4ḄEឤ”Ḅ01GH0MPN1
ᐭJ=ᳫLMNOPQRḄSTHUVWXYZASA.ᐭJ=ᳫLMN[\]^Q_B.ᐭJ=ᳫLMN`Ḅ^Q_C.ᐭJ=ᳫᙠa4^bḄcd?@D.ᐭJ=ᳫLMN[efghCD2
ᐭJ=ᳫḄiS5⌱7“ᜧj”ஹ“lj”ᡈ“=j”mC=ᳫḄin3
oᐭJ=ᳫḄiApmC=ᳫḄiAq2PACrᐭJ=ᳫstḄ]ᙳTHᑣᐵwxq=5ᵨ஻4ஹ}~4
⊤#ᡂᓽ⊤#CD4Eឤ஺ὃᫀ

61⌱ὃᱥᳮ01⚪100⚪ᫀᨵ᪆1.CEF'9.0ூ᪆௃ூ௃01A1Ḅ]bᑣᵨḄZḄ#ᔠᳮ¡0▭¡,ᯠ¤¥b¦§¨©ª.ᡠ`01c◀¬®¯°Ḅ#ᦪ᜜²⌕¬´µᩩ·¸Ḅᔣ`º»µ¼½ḄᔣY᪵¿[½Ḅ#.ÀÁC4¬´µᩩ·¸ḄᔣnÀÁE4ÂÃÄÅÆÇᩩḄ©t½ᑮTHO.ফজ[3].FᙠÉF2ÊᡂḄ]bḄg.'RA01Ḅᳮ¡ᵨS¼®¯°ÆÇËcᐸ®SÆÇËᐳ'ÎÏᵨ®¯°Ð¡AFᡠ`F?Zᵫ®¯°Ð¨Ḅ.ঝ[4].ᵫ#Ò)*ᐸᑖ¡A1N,#ᦪA9.0N2.4.50Ó⊤Ô180ூ᪆௃ூᑖ᪆௃ூ௃ÕᔠÖᐵSiஹS,GR1×ὶÙ⁚Û@ÜᘤR,ᮣßᵯàÒáᦪh=0.90mA,᪷×ὶᵯâᱯ2tä2RiḄᵯàI.———I,-3.60mAᦑÏcᵯâæᵯà/l=4.50mA(2)[2]ᦋGAèé⊤¤⊤ᑁᨵᵯë᪷ìᵨᵯ⊤“í¥Ó”Ḅᱯt⊤ÔMÐÓ⊤Ôî᪷èé⊤ḄïᳮèéÙðcᨵE135R.=-=—_-Q=270QV/5x10-3Ðñᵯܤá⊤ḄᵯàAI=0.60mA,ᵯâ4ḄæᵯàA=51=3.00mAᑣᨵF%+o=ᔆ/l¨q=18()஺

623.BDᳫh◤⌕ᜧjxl---ABBV%`%ூ-᪆௃ூ0-௃ÎA01ZẆô]õö◤⌕LM01N[÷øᳫBḄ]õᓽLM01N⌕÷øᳫOSᜐUVWX×\]õúû⌕⌕üPQý⍝ᐝ
A┯
BDᢱᓄ
ᦑC┯஺ᦑ⌱BD»(2)a.[2][3]ᳫḄ!"#ᐸᳫ%Ḅ!"
ᦑ&ᳫ☟()Q*
ᳫḄᳫ%+,Ḅ-./Ḅ0(ᓽᙶ᪗4*(Ḅ67*)ᙠ:V;<◤⌕;?@┴BC஺b.[4]মᵫ)ḄEFᑖ#HᵫIJ
ᦑKLK<ᑁEFNᔣ/Ḅ0PQR1:3:5…,ᦑSKLK<ᑁEFNᔣ/Ḅ0PQRTᩭTᜧ
Wᜧ);ᵫx=vT%Z[=8"oὶ^_`(3)য&abᚖF)EFḄ-.d(
bef☠-.
abZ:hijk
ᵫ)abl᥅nopᵨ
rZ:stuabj
ab&s7vtᢝᚖF-.
ab&xyz{
ᦑ|ᙠ-./ᶇ~beḄ!"
ᦑCC
ABC஺(4)ZjxḄ
᝞lo

s
ᙠCḄ<Z᪵
▭/ᱥJᙠEFNᔣ/HᵫIJ
ᦑ⌱⚗B஺4.ᐝᵯ0.3().2ூ-᪆௃ூ0-௃᪷¢£
¤¥ᔠ§Ḅ4ᳮ©
◀«¬®ᘤ᜜
±◤ᵨᑮᐝᵯ®ᘤ(2)[2]ᵫ⊤´ᦪ¢©
¶3·
<¸¹Kº»3·
hi?<Ḅ¼½#¸¹KḄ<¸¹KḄ
«¬®ᘤjd(
᪷¢HᵫIJ0P¾¿
ÀÁÂÃᳫk*Ḅh--gt2«—xl0x0.253m«0.3m22hi?<Ḅ¼½#¸¹KḄ
«¬®ᘤEFd(
ÀÁÂÃᳫk*ḄjÂ%«1.153x0.173m«0.2m5.8.06.04.00.504.0ூ-᪆௃

63ூÅ_௃2
1ÇὶᵯÈᵯÉᜐᜐK
ᵫ£
a
ᡠᵯÈ£©:ᑣ:ᑣÎZÏ£ÐḄ{᳛:13-1kRx16_`:Rx=8.0Qবফবᵫ£
a
ᡠᵯÈ£©:=iRU-UU-ZÕ-1£B#ᵯ×ḄU-I£Ð
ᵫ££Ð©
ᵯ×ᵯØÙE=6.0V,ᵯ×ᑁÙ2RU16.ÚÚr=————=——=4.0QA4-U\1.5R4ᓅ5஺1-Ü4£B#RxḄU-I£Ð
S£BÝ*Þ,Ḅ#ᵯ×?:ßᵯFàÇὶ<Ḅáâ
Ý*RḄãᙶ᪗ÙE--=0.50ARx+r8.0+4.0äᙶ᪗:U=E-Ir=6-0.50x4=4.0V

64ூ_᪆௃ூÅ_௃Ãæçè:ᵯéê2.5Vஹè:ᵯÉê0.3A,ᑣᵯé⊤⌱ᵨ0~3Vìí
ᵯÉ⊤⌱ᵨ0~0.6Aìí஺Ãæçᵯê10.3AᵯÉ⊤0~0.6AìíḄᑁZî0.5C,ᵯé⊤0~3VìíḄᑁZîïᓟñ஺KRòºó
Ãæçᵯ“Ãᵯ”
ᦑ,ᵨᵯÉ⊤᜜àö஺ÃæçS÷ᵯé,0ø7
ᑣᘤ,ᑖéàö஺ᐗúûà᝞£ᡠ஺(2)[2][3n4]üýþ»
ᵯé⊤ᦪI.5V,ᵯÉ⊤ᦪ0.18A஺<Ãæçÿ᳛
p==1.5Vx0.18A=0.27W(3)[5]ᓣᵯᜧ஺ᑣU-/Ḅ᳛⌲ᜧ/-UḄ᳛⌲⌕ᙶ᪗஺ᡠ!B"#ACD┯%஺ᦑ⌱B஺7.2.150☟)3.923.85Dூ,᪆௃ூᑖ᪆௃ூ0,௃(1)[1].12ᐝᱏḄ5d=2mm+0.01mmxl5.0=2.150mmফ[2].678ᙽ:ᙠ<=>?@A<=ᐙ@C᦮@A<=E8ᙽ☟)FG!H
<=IJKL(3)[3][41.ᑖ᪆ᜐᳮ⊤PQ3RᦪTᑣUVWXYḄZ[\]AE=mgs=1.0x9.8x0.40J=3.92Jp8ᙽḄ^d2.150x10-3v=—=m/s=1.39m/sN1.55x10-3WX_Ḅ`]E=^(M+/n)v2=^x4xl.392J=3.85Jk

65(4)[5].⌕LtḄᐵuvmgs=w(஻+m)(5)2ᓽ(M+m)d21s—_____________2mgz{ᑣ|ᑮḄ&}v`ᩩJᙶ᪗cḄQᑣ⌕S-ᦑ⌱D஺Ar8.dacbᙠ☢Ph᡽ᦣ,ḄᓫᑖᡂḄᑖ᣸ᑡḄᳫᑖAூ᪆௃ூ௃(1)[1)“⏚ᑖḄᜧ!”KL¡ᑴ⏀¤⏚¥¦(ᦟ¨©ᡂ>ª¡ᑴ«¬)`[`®⏚⏀¤¥¦Ḅ¯°(d)T±ᜓ³YTᡂ(a)Tµ¶·¸(c)TM☢°(b)Td¹ᑖQVwºC»¼ᐜe¾¿᣸ᑡÀvdacb(2)ফᙠ“ᵨᑖḄᜧ!”KLÂᡃÄḄÅ$ḄÆÇᜐᳮvজvᕈᓫᑖᑖÌḄwঝ⏚ᑖᡂᳫwঞᑖÏÐÑᨵÓ◣wব[3]d¹⏚ᑖQVḄÕÖv"=PSVvØ⏚Ḅ¯°SvḄ☢°஺A.⏚Ù©ᐰᦣ,|ḄS!|ḄᑖQVd/ᜧᦑAÛÜwB.᝞Ý|Ḅ⏚¥¦ÞßàK▭â|Ḅ⏚Ḅ¯°!|ḄᑖQV/!ᦑB┯äwC.d¹☢°D/ᡠᨵåæ`çḄèçd`ç|ḄS/ᜧ|ḄᑖQV/!ᦑC┯äwD.éꮯ°D1mLḄ¥¦Ḅ®ᦪäë>ì10®`®¥¦Ḅ¯°ᓃ=-mLnhî|`®¦¯Ḅ¯°!|Ø⏚Ḅ¯°/!|ḄᑖQV/!ᦑD┯ä஺ூ᪆௃ூ௃

66(1)পð᪗ᓱòḄóòᦪ1.6cm,ð᪗òPô10ᩩõöóòPH`õ÷øᡠið᪗ᦪ10x0.05mm=0.50mm,ᡠiᨬúᦪ1.6cm+0.50mm=L650cmফফô5cT=1650*τ஺-21rl/s=0.33m/s0.05ᑣ¥=(0.33)2m2/s2=0.1089m2/s2/ýªḄcµᙠᙶ᪗^Pþ/ᡠᨵcÿᔠᡂ᝞ববᵫᳮ24gx=v2ᑣ᳛%=2஻gᵫ஻=0.050ᵫᑣ0.048—0.052ᙳ10.0.170;)ᡲ!ṹḄ$%&'ᜧ)*ᡠ,ᔠ-.ᡲ!ṹḄ$/-01ᩭ2L31ᜧூ᪆௃ூᑖ᪆௃

67ூ0-௃a᪗ᓱcḄdceᦪ
f1mm,a᪗cḄgQ14hgi>jḄgklᡠ!eᦪ
f0.05xl4=0.70mm,ᡠ!d=lmm+0.70mm=1.70mm=0.170cmF(2)ফnoᒴ^qrs`᪷Tᒴ^qrs`^uvwx2aL=---3Jv17Va~2L^tf(3)yz{FnḄᔠ᜜[H
~ᡲṹḄZ[mg,6ᨵᙠMmFᨵT«mga-FrqrMm,ḄḄᙶ᪗~ᔣ⌼ᡂrᔣᡠ!r>qrḄᡲṹḄ¡¢ᜧnᡠ£ᔠ[iᡲṹḄZ[¤¥¦ᩭ¦ᜧ஺c11111.R]b-=----—8./4%4ூ-᪆௃ூ0-௃(i)[i].ᵯ¨⊤Fᵯ©PḄᵯ
E10VR=—=—^-=1000஺஺0.0Mᡠ!8`ᘤḄᵯ]«1000஺8`ᘤ⌱¬RL[2].z{ᐜ78`ᘤ¯ᐭᵯ©PḄᵯC±ᨬᜧᡠ!8ᱏ³´vᑮ¶஺(2)[3].
ᵯ¨⊤FᙠC⁚ᵯ¸¹Pº©ᵯ¨»¼ᨵ/+¿=/°᦮ᳮV[4].ᵫVr᳛,(0.50-0.10)mA-'0.50Q-1ᵫ⊤ÃxGV

68k=/஺ᐸ^/°=10mA=lxl(y2A,&=8.0Cব[5].ᵯd⊤ᑁg᪷i&=஻஺jkᔠ.lᵯm^Ḅ$ᵯgᶍᨵp)ᡠqrmᵯdstuᜧ,ᓽᜧwxᵯd10mA,yᵨᩭ{|ᑁg}~ᵨ10mA,ᡠq&x)஺A(2)(+”)(஽ᑁ)/212■10200M200Mgூ᪆௃ூᑖ᪆௃ூ௃(1)প⁚ḄᩈᙽḄ.ᩈ஺(2)ফব᪷i}^¡¢£¤¥}Ḅᙳ¢ᑣjᡭ{ᦪ¡5}ᩈᙽḄ¢ᜧ)¨᪷iAx=4ᩈᙽḄ¢_X?_X]_(*2-X])/-710?~_~200(3)[4]ᵫ®¯°±ᨵmg-/jMg—(m+M)a_m(m+M)(x-xj/22u--------------------------------M200Mg13.4.01.0ூ᪆௃ூᑖ᪆௃ூ௃UH2]ᱥ¶·ᒴ¹¢º»᪷iº»¼½¾ᨵ

691,x=vt+-at~o¿ÀÁ}◀q}t,¹Ãx17=%+5ÄᔠÅÆ¢¨ÇÈÉÊv=4.0cm/s0᳛¨ᵫ2(12-4)x1091k=---------------————a16x10-22஺=1.0m/s2Tr]cft~14.B0.410D4ூ᪆௃ூ௃(1)"]|2]¨■ÌÍᦪ}tÎᩚÐÑÒ»ÍᦪÓÔᐜÒ»┝×ØÙÚÛB,ᔠÜÝḄÞ¨0.0mm+41.0x0.01mm=0.410mm(2)[3]ßᵯd⊤ᑁg¨RA᪷iàá±Åâᵯg:1᪷iᵯgäåæR=p%,É☢èæὶê:ᔁL+RA᳛æk=ᡠqᵯg᳛7ikd1᜛=ì(3)[4]A.¨íîïᵯmðñÓÔâòmᵯdᨬ)»¹gᘤᱏᜐᨬ÷øᦑA┯FB.⌕&üýᵯþஹᵯ
ᦋᱏᦋᵯ⊤ᦪᘤᱏ◤⌕ᦑB┯

70C.Æ1ÇÈÉABÊFËÌᵯ
ᵯ¨Íᦔ´Ïᙠᓣᵯ᳛ᜧᦑC┯%஺D.᪷Ti=ÐÑ+&GÓᵯ¨⊤ḄᑁÏᙠᦋḄ᳛kᵯ᳛Öᨵ×ØᦑD"#஺Iᐔᦑ⌱D஺15.DEF0.7212.401.0ூ,᪆௃ூ0,௃(1)[1]AB.knḄÙ[Ì[ÚÛᘤVᑮḄᦑÜ◤1¢ÞÞ᫜Ḅ¡¢à◤⌕ÞÞ᫜Ḅ¡¢á«nḄ¡¢ᦑAB┯%LC.âᵨᡭåFᘤ´ᐜÌᵯæᙠç:nᦑC┯%LD.èéᱥë¡¢ìF_^i[ḄᐵW⌕ᦋÞÞ᫜Ḅ¡¢ᡭᩩïðᦑD"#LE.ᵫ«z{⌕ñẆénḄᔠ᜜[i_^ḄᐵW◤⌕᣸◀i=⍝Ḅ8`᥅÷[Ḅ×Øᡠ!z{P◤⌕7Êᩈùú!J⊝᥅÷[ᦑE"#LF.ᙠç:nn´ü¢☠ᡭåFᘤ!]ᙠïð>ᡭþḄᨵᑭ
ᦪḄᜐᳮḄᦑF;(2)ফᦪᨵᦪḄ!◞#T=0.1s,᪷ᒴ&'()*+,!,Ḅ'-./01,Ḅ2ᙳ'-ᡭ58!6*+Ḅ'᳛89x,0.1801-0.0360,c”r1=2=-------------m/s=0.72lm/sB2T2x0.1[3]᪷Ax=aT2:;9XHD~xon0.2881-0.0961x2m/s2=2.40m/s24T24x0.01(3)ভ᪷=>?@AB:C:IF—Ff—maE;9F=1.0Nf16.15.0cD1.53.0ூE᪆௃ூIE௃(1)[1].JKLMঞ,Oᵨᵯ⊤ᑁT.,UᵯTᜧ#15.0஺X(2)[2].YcZ8ᵯ[\]ᘤḄ_᩽ᑣJKLMঠ,Oᵨᵯ⊤c⊤defC;(3)[3].᪷
LMḄᑖ᪆:CᵯhḄᦑi:j8ᵯTkRlhᦑ⌱D(4)᪷oᔠᵯhqrAB:;9E=I(R+R()+r)

71ᓽ:R=EC_(4+r)ᵫuv:C9L18,DE--=1.5V12R)+r=180ᑣr=3.0Q17.0.670Bwx6!yᐝᱏᑮᐝᵯ}Ḅ~@2xt2tூE᪆௃ூIE௃1
প᪗ᓱᦪ#0.6cm,᪗?14ᩩ---ᑣ᪗ᦪ#14x0.05=0.70mm=0.070cm,ᡠᨬᦪ#90.6cm+0.070cm=0.670cm஺E2
[2]ᩈḄZ〉2⊝᥅8#¡¢£)Ḅ¤.6¥ᑮḄᔠ᜜⌱⚗A┯;ṺṺ᫜Ḅ«¬®6Ḅ¬:¢£)Ḅ¤¯°.ṺṺ᫜Ḅ«±⌱⚗B;¢²f6Ḅ£)ᩈ2³8#¡´ᢝ6¥ᑮḄᔠ᜜¶&⌱⚗C┯;yᐝᱏḄ·-j¸¹6'-º'-Ḅ»-⌱⚗D┯஺E3
[3n4]◤⌕¹wx6!yᐝᱏᑮᐝᵯ}Ḅ~6Ḅº'-2x(4)[5¾2xt2;d2M1m=------2xgf#¡¢u¿j(ÀᙢÂ᧜ᱥᳮḄᐵÆe/Kº1u¿u¿#0ÇḄᩩÈÉ()!,⊤ˬA!º'-ᔠᡂÍ஺18.2⊝᥅ÎᨵூE᪆௃ூᑖ᪆௃

72ூIE௃(1)[1]
ÏÐ⁚ᩈḄÈÒ2⊝᥅´Ó£ÔḄ¤.6¥ḄᔠX(2)[2]ᵫᨵ\]ᘤ¹ÔḄ¤ᑣÎÕ⌕¢6¬®ᜧ±ᱥ\]ᘤḄ«¬ᓽÖ
Îᨵ×ØX(3)[3]
,◤⌕¹6Ḅ+jᦑ◤⌕C⍝6Ḅ«¬M,ᦑAB┯C஺19.7.46mA2.5V15051ÚூE᪆௃ூIE௃⌱ÛÜᐵf“1”!¹ᵯ[ᵯ⊤⊤Ý5☢-Ḅᨬᑖ-U#0.2mA,ᢣ┐ᙠᨬ-â³ãᦑᐸåᦪ#37.4mA+—x0.2mA=7.46mA10æË9ãçèéᔠᨬêὃìᑖ᪗Ú஺(2)[2]᪷íὶᵯhᨵᑖïKᵨ:Cᵯ⊤ðñ!ᨵU=4(&+4)=2.5VᡠÜᐵf“3”!#12.5VḄᵯï⊤஺ব[3]qr⊤ḄᑁTFE=1=150஺ᵫqr⊤Ḅ,UᵯT.qr⊤ᑁTᦑCᜐ-#150஺஺(4)[4]᪷oᔠᵯhqrABᨵ/=---.+&ᐸ,/=7.46mA,F=150஺E;R=51Qx(5)[5]Y#ᵯôᑁTḄ&ᓄ:ö0Ð÷ᵯTTUḄ&ᓄᩭùúᡠÐ÷û¹ᵯTTUḄ¹üý8ÚḄ஺20.þÿὡ1.027ூ᪆௃ூᑖ᪆௃ூ௃

73ᵨDISẆᙠḄḄᓄᡠ!"#ᵨ$%&'(ὡ)*;(2)ফ-./ᘤᑁ2ᑖ3ᐭᳫ67ᘤ8ᦪ:p”᪷<'(ὡ)*=>=PoKᡠ?=Pi28AB./ᘤᑁᒕDḄE:5%,ᡠᳫE:H2IJ(3)[3]ᵫ⚪#HIJK./ᘤᑁLᨵE:0.5%ஹ:poḄᐰ2ᐭᳫPᳫḄQJK./ᘤᑁᨵE:Rஹ:poḄSḄ;ᐭᳫTᔠ⚪SVW#HᒕDḄḄEXᙠ0.5%YZᶍᜧ$p஺ᡠᒕDḄḄEᶍ^$0.5V஺஺ᵫV#8AX:l.O27po.ூ_`௃ab%c%&ឋb%⌕fᑴb%ᩩiBb%⌕fᑴjkᩩi>c./ᘤᑁḄlm)nocḄ)pᵨ'(ὡ)*ᑡrstᑖ᪆஺u᜜w⌕.(xyzrḄ{ᓄᓽ#-JK./ᘤᑁLᨵE:0.5V஺ஹ:poḄᐰ2ᐭᳫQJK./ᘤᑁᨵE:V஺ஹ:poḄSḄ}ᐭᳫc~ᦔḄ஺2ூ᪆௃ூᑖ᪆௃ூ௃(1)[1].ab%ᑭᵨᵯ⊤Ḅᑁb%ᳮ:ᐭᵯᵯḄᵯ^Ḅ^◤⌕ᘤ:^ᵯᦑ⌱Ri#^b%.(2)[2].ᘤ:ᑖrbᱥᵯ᝞Vᡠ>

74(3)[3].ᵯ⊤ḄᑁR\Rὶᑖ:2.00V1.00V,ᑣ&=2R=30000.(4)(41.ᵯ⊤Ḅᵯ¡U3VR=1mA¢ߟ3000Cᦑ⌱D.22.1.609B1.881.84Aூ᪆௃ூᑖ᪆௃ூ௃(1)¤1¥¦§ᘤḄ¨)©:1.5mm,#©:10.9x0.01mm=0.109mmᡠᨬ«8ᦪ:1.5mm+0.109mm=l.609mm(2)জফ᪷

75KLMN2-/2ḄPQRSTḄUVWQᦑAXYBஹCஹD┯2ᦑ⌱A,’IIY23.R23.02.1-p--1(r+R)]^A2JcLJூ`᪆௃ூc`௃(1)ᵯ
⊤A2dR2eὶKᦋghijhU=4l+m)=300X10-6(1000+9000)V=3VḄᵯ⊤,ᦑ⌱RᓽK2(2)ᵫPKLᵯ
⊤A2ḄqᦪrsḄᵯᓽhᵯtḄᵯuᑣE=3.0Vᑁ%U3.0-1.80^yr=-——•=-----------Q=2.1QA70.58(3)ᵫ⚪|KLC//?=,(9+ᵨ)/,(+F)=(+d)ὶ`&=(%9)(2+4)1c1aᵫ1ᑖ᪆KLὃ⇋ᵯ
⊤A1ᑁḄᑣ⊤ᑡᡂC/“(R+5)=4(J+m)/,(5+R+RJ=/KG+&),ᨬḄRx⊤ᑣᵨḄdᐸ]]^஺24.1.112.33.2x10-7H¡¢dᡈὅ¦ᜧᑮ©ª«Ḅ¢¬Lூ`᪆௃ூᑖ᪆௃ூc`௃(1)[1][2].®᪗ᓱ±Ḅqᦪhl.lcm+0.1mmxl=l.llcin®᪗ᓱ±Ḅqᦪh1.67cm,´µ¶±Ḅ2.3cm·¸d®᪗±¹ᩩ·¸Qr»[3].ᩩ¼¡¢Ax=__LHcm=0.08cm7ᑣ᪷À1=4ÁKa,Ard0.08X10-2X0.2X10-3࠷…A=-----=---------------------m=3.2xl0mL0.5ফ[4].ÃÄÅÆᩩ¼ÇÈᓽᩩ¼¡¢ÇH᪷À©=Ê4KËÌḄᦋᗐÎᨵCH¡¢daᡈὅ¦ᜧᑮ©ª«Ḅ¢¬Lo/…bdmg-(m+M)•M25.1.0106cMg

76ூ`᪆௃ூc`௃(1)2]ÓᐝᩩÕ¸:d=10mm+2x0.05mm=10.10mm=1.010cm.(2)[2]×HᩈᙽÚḄÛܸha,ᵫ⚪L:⚚A/,`CÞdßᔠáMÛPâK1ᑮ:ab~d=l`Ca=M᪷Àãäåæçè:mg—pMg=(m+M)amg-(m+M)-----0.44¦ᜧ0.44(0.43—0.46ᙳr)ூ`᪆௃ூᑖ᪆௃ூc`௃d)[ll.ᘤḄᱏjÄᵯ
⊤Ḅᦪêëìíîï¦ᜧᘤËᵨᑖðᱥᵯòP᝞PᡠC

77(2)[2].ᵫVᵯV#Hᵯ¡⊤m»:0.6A,ᵫVᵯ¡⊤#Hᐸᑖá:0.02A,ᦪ:0.44Aব[3].᪷ᵫVVæ#HãäjìᵯU=L3V,íºãäḄᵯ¡I=0.34A,ãäî᳛P=UI=1.3x0.34=0.44W27.0.750.152kூ-᪆௃(1)ðñ>0.7cm,ò᪗ñ:ôõḄc5,ᡠ8ᦪ:>5x0.1mm=0.5mm=0.05cm,ᦑöᐝᩩød=0.75cm,(2)ᙽúºᐝᵯûḄÀÁ#üýþ:cᙽúºᐝᵯûḄÃᙳÁ.ᑣᙽúºᐝᵯûḄÁ:>v=—=\"I஺-/0A5m/s250x10-3ms=YtXCl(3)<14=0=7ÿv%=WC
Ḅ᳛=5,a=2Zᜐᳮᦪ⌕᪷ᱥᳮᑏᙶ᪗!"Ḅᐵ$%.'ᔠḄ)*ஹ᳛,-.28.ᵫ/ᵯ1⊤ᑖ4567ᵯ489▭;<ᵯ4=>1.51.()ூ-᪆௃ூ0-௃(1)[1].ᵬ@ᵨBCᵯDḄᵯ4⊤᜜Fᵫ/ᵯ1⊤ᑁHIJKLᜧᡠOᵯ1⊤ᑖ456ᵯ4⊤Pᵯ489▭;<ᵯ4=>Q(2)[2][3].ᦋᵨS9T᪷Uᔠᵯ

78r+r.=—=3.0QA/0.5ᦑᵯDᑁHr=3.0-2.0J2=1.0£l஺29.CDACDhᨵj⊝᥅mnᡈᩈqḄrstᜧᡈt>ூ-᪆௃ூ0-௃(1)ᵫ_ᙠAB!"ᵫ/Bvwᦪ"Ḅ*xIyzᜧ{ᡭwᘤ~◞0.02sᡭ
ᡠO>d.ᙠCD!"Bvwᦪ"*B,>ᒴd.>xᒴd⌱ᵨCDᩭw>Ḅv.->Ḅ⌱CDᩭwQ(2)9TPᑭᵨBBC>BtzḄᩩᦪ^OC>Ḅᡂ᦮ᦪ£z.ᦑA¤¥B┯§Q¨©ª~᪷ᩩC>
᪵¬~9TP®¯Ḅ°±◤©ᢝ
6ᦑC¤¥QᙠP´▤ᵨᡭwᘤ7"¨ᨵᦔᑭᵨ·JᐜFᵯD¹ºᦑD¤¥Qᦑ⌱ACD.(3)ᙠ9TPᡭwᘤ¤»¼½¾¿°ÀÁᨎḄÃÄhᨵÅ
,"*Ḅ⌼ᡂÇÈÉÊḄËÌ^ÍJhᨵj⊝᥅mnᡈᩈqḄrstᜧᡈt>.ூ12௃¥Î9TḄ9TËᳮOÏ9TÐḄᓽ^ÎᐹÓÔ½ḄÕÖOÏ᝞ØÙYᦪᜐᳮQᦪᜐᳮÚÛᦪ´_ÜḄᵨÝ⚪Jὃà9TÔ½ÏᦪᜐᳮḄá,â⚪.R->R^30.zᜧ0Rx=—^^Kiூ-᪆௃ூ0-௃(2)Ý9T@ãᵯ᫑7ᵯHᡠOåᵯ4ᵫC4ᔣD,CᵯeçᡠOzᜧᵯHèR3ḄHcé<ᵯHzᜧᵯ4ê>CᵯeëìíᑮCஹDïᵯeBᵯ4wPᵯ4¨ð.(3)᪷CஹDïᵯeB^g=rRx&=1'%ὶò31.99002.402.901.0>/ூ-᪆௃ூ0-௃(1)[1].ᵫᦋóËᳮ^_⌕ôὶḄᵯH-100=99000(2)[2].ᵯ4wGḄ]ᦪ¨240pA,ᑣöᵯDï÷Ḅᵯ1¨240HAX103XI()0()()V=2.4()V

79বব[4].ᵫ^_a)*¨290HA,ᑣCḄᵯ1c¨2.90V,ᓽᵯDᵯde¨E=2.90VᑁH2.90-2.40c,Mr-----------------Q=1.0Q0.5(4)[5].øᵯHR,Ḅ9▭Hcᜧ/wcᑣtᵯ4wGḄᵯ4ù=>ᑣḄ᳛ù=>ᑣᵯDᑁHrḄ7c>/9▭c஺mR2ühQáᫀ(a)þÿ
ᫀᵯkᑁHḄúûூ᪆௃ூᑖ᪆௃ூ௃(1)©[1].᝞ᡠ:ঝ[2].ᘤᵨᑖ!",$%&'⁚%)*ᡠ+ᘤ,⌱&;ঞ[3].0123"*,4ᘤḄ678ᜮ:;<=ᵯᨬ&Ḅᨬ?@;@[4].᪷BCDEFGHIJᢝLMNᵯOPᦪ*ᑣ᪷BᵯMS᪀UV*LMNWᵯX,YZ[*SᔠLMNḄᵯ]^*UVR஺ḄPᦪᓽᵯḄ$.(2)[5].᪷BbᔠᵯMCDEF,ᨵE=I(R+R))d1_/?&——----1-----IEESᔠᦪeVfUVR,1m=—,K=—EEdE=-k

80বᵯtᑁRKúᶍḄᑣᵯò(a)üýhᵯtᑁrᵨ(a)ᵯþᨵ஺33.1.84cmᨬÿ67.5s2.25sAC9.86m/sூ᪆௃ூᑖ᪆௃ூ௃(1)[1][2].᤮ᳫd=l.8cm+0.1mmx4=1.84cmᓫ᤮᤮L=1+/(2)[3][4][5].᤮ᳫ᤮ᑮᨬ⊤!"#᤮ᳫ$%&'ᨬḄ%ᦪn(n=lஹ2ஹ3……)n=60,-.⊤஺.0Ḅ⊤1ᦪ267.5s,3ᓫ᤮Ḅᕜ52T=-=-^s=2.25sn30:;<=>?@ABCDEḄ⊤F2(3)[6].᪷78=21A.G᤮ᳫ&'ᨬḄ%ᦪnHIᑣ=ᕜ5TKᜧᑣgCDEMN⌱⚗AQR;B.⊤TUᑣᕜ5CDEKNᑣgCDEKᜧ⌱⚗B┯WXC.G᤮YᡂI᤮ᑣLKNᑣgCDEKN⌱⚗CQRXD.G᤮Y[ᳫḄ\[ᡂI᤮ᑣLKᜧᑣgCDEKᜧ⌱⚗D┯WXᦑ⌱AC.£;<(4)[7].᪷78=2Wᵫ`a;b,4/4.85-3.25,k=------=----------------=4g1.20-0.80g=9.86m/s234.BCcBdBgx28

81ூ᪆௃ூ௃(1)[1][2]efgḄfghḄigj712ingh=+mv~ḄQRឋl#;mnCDᱥpḄqDᓽ;nᵨᜩu஺ᡭᘤxy220VḄz{ᵯ}ᡭᘤᵨᩭ!"ᱥpḄ⊤n⌕n⌕Ḅᘤᩞ2BC,HḄᘤᩞiᜐᳮᵨᑮḄcBd;(2)[3]A.x⌱ᵨpMNqDMᜧḄ>┴mN?ᩭḄW⌱⚗A┯WXB.ᵫ[ᡭᘤ\ᙠ?l#2IN᥅?ᡠḄx▲⌱⚗BQRXC>┴Ḽᵫ¡p⌱⚗C┯WXD.>?@ABx¢ᙢḄᵫ¡p@AB¤n¥ᵨAh=gT2¦§⌱⚗D┯WX(3)[4]ᡭ2ḄAB_—_x\fV2=V13=ᡭ5ḄAB¨xjm=ᓃ6=-^-ᑣ⌕gjḄª«¥D¬ឤḄ⊤F2®(4)[5]᪷7¥ᳮᨵ:35.(1)C(2)u⊝᥅?ᩈ³Ḅ´µ'ᜧX(3)Dூ᪆௃ூ௃(1)fg¶ᐜ¸⁚ᩈ³º»¼Ḅ½Bᱫ¿NÀḄÁÂÃᩈ³uÄ.¶Æ᪵ḄhḄi;ᙠu⊝᥅?ÈÂÉ?ÊNÀᡠËḄᔠ?ᦑ⌱C.1F1(2)ᵫF+FÍMa<஺=Î---+—ᵫ`Ò;b஺-¨^`Yn'ÔO,ᙠaÕºᨵQÖ×;bMMMᙠÃFØÙÚᔣḄ?;bÔliu⊝᥅?ᩈ³Ḅ´µ'ᜧX(3)᪷7a=F•¨;ba——`YÝ᳛ÊF,ᑣᨬyßḄᦪEiF=mg=0.()2xl0N=0.2N.ᦑ⌱D.MM

82Rஹ⚞Roz-x36.0.3980.396~0.399ᙳUhᑖiDFG(ᑖ!XU஺á4+MUp(N~+#>))ᵯ᩽AஹBuv+)ᵯO⊤A1ᦪ/,ᵯ⊤YᦪU(ᡈoKI-UḄwxyp—^:Tta-Rூ-᪆௃ூ0-௃প{|}~ᘤ0,U739.8x0.01mm=0.398mm,ᡠ+Pᦪ0+0.398mm=0.398mm(2)2Oᵯᵯ76V,ᵯ⊤V2ᜧ*⌱*U4ᵯ⊤V1ᦋ*◤⌕DF67ᘤ▲O3ᵨ*ᐰ⌱&Ḅ*)23*ᡠ+⌱G஺3YᵯM]67ᘤ$$ᜧ*Jᘤᐰ*67ᘤᵨ▲O*ᵨ!ᵯ*ᐸNᵯ⊤◤¡ὶo£ᑖᵯ*Wᵯ¤ᜧ;¥ᵯ*ᵨᵯO⊤᜜஺ᵯM᝞§Rஹ@---—11-lRஹ4᪷BCDEF*◤⌕ᵯO⊤A1ᦪ/,ᵯ⊤VᦪU5ᵯ,ᵯ⊤¨E$ᵯḄWᵯ*ᵯO,O©¥ᵯḄᵯO*ᑣl.JLRyJ-u,U/,ᡠ+XU⊤â¶+&)(&+%)XV.——(3)6᪷BᵯEF

83ᐸçↈéêↈë;ì2imᙊᕜ2îïB2½ḄðñᓽS~Ttd■\dᡠm2ICDↈéïB◤⌕CDóᐭᵯõḄᵯB2ᵯ᩽AஹB\Ḅ×÷ᐭ஺(4)7⚪ᨵR=p————nd•\dl#kd=p-1—nd-R37.ùKᜧL=2ûߟ஻—l)ூ᪆௃ூ௃
1ÿᓅ2ᱥᙽᑮ☢⚔Ḅv,Jv=vcos300=—v,v,vsin30°=—vx22ᱥᙽ☢:2vvvt=—^=—gg!"#$%-27᦮ᳮ(:226gV-........-X3ᵫv2-x+,-.+,᳛:013ᡠ3456%7g=~Fὃ⇋:;<5=>ᡠ?456@ᜧ.2
3CDEFGᱥᙽHIḄJKLᙳLḄnNᑣ:

84Ax=nLHIḄHឋST:E⍜”=᦮(0P2L2L3EFYᡠᜐ!"☢45STḄ[S☢ᵫ\]T^ឤ`a(:(nL)2=mg(n+1)Lsin3Q°+gmv2,26x᦮ᳮ(%Ggf,1,dஹ21d238-g6=l7no——ACD2gூq᪆௃ூᑖ᪆௃ூuq௃(1)[■ᵫ\]T^ឤᨵj1,d2mgh--m(-)ᦑ⌕{|Ḅ⊤~g஻=3(9)2஺(2)[2ᓅ3]ᵫg/2=(4)2(ᓽoᙢ(ᑮ{%+ᙠᐕḄᑁ+Ḅ᳛ᑣ\]T^ឤ`2ga(ᑮ{|஺ব[4]AB.o{⌱ᵨLᜧஹGḄGᳫ⌱⚗A£⌱⚗B┯CD.ᵯ¦§¨⊤☢ᑮᐝᵯªḄ«〉ᜧ®-3G¯°?LḄ±L²Gᳫᳫ0³´ᐝᵯªGµGᳫ¶ᐝ¯·¸¹º»Ḅ⌱⚗CஹD£஺ᦑ¼ACD»39.G½EF«ᡭY¿ᘤ´ÁÂÃÄᨵFᙠÅÆÂÃÄᨵÇᩈÉ"ÊBBCABD11.000.60(0.590.63ᙳ-)1.35(1.30~1.40ᙳ-)ூq᪆௃ூᑖ᪆௃ூuq௃(1)Ë]G½EF«ᡭY¿ᘤ´ÁஹÂÃÄᨵFᙠÅÆஹÂÃÄᨵÇᩈÉ"Êᙳ┯Í

85(2)[2]ᵬNᵯ«¬]"ᘤ*ᵯ,ᵨOᵯ220V,ᦑ⌱B(3)[3]⚪ᵬN°±ᨵ²ᵯ«¬]"ᘤ*ᦑ³◤⌕ᵯ´ᡭ¶]"ᘤ*ᦑA┯¸¹01N◤⌕&º»¼½¾¶vwx*ᦑ⌕ᵨᑮᜩÁ¨*ᦑBCÂù⚪ᵬN°±ᨵÄṹ*◤⌕»ᜧḄÆṹ*ᦑD┯¸*ᦑ⌱BC(4)[4]Ç:ÈÁÉÊ701*ᐸËᙳU*ᦑ⌱ABD(5)[5][6]Ìᑖ$1mm,ᦑPᦪ11.00cm⌱C¶ÍζᦪBUdÏ"Ðx(12.22—9.82)x10-2mv=---------------------=0.60m/srct0.04sÍ☢Ḅ¶ᢘ7ÓÔÕᙠ¸×*⌱Î☢Ḅ¶]^^^J17.65-11.00)-(11.00-5.70)-^^xl02s135tn/s2t20.1240.Ø?3.3

861‘='¨=5'!Ḅ"#$vo=gt᪷&'(ᳮ*+,-./ᵨ1ṹᡠḄ3*45ᶍᙢ⊤89ὶ;42.AC<=#$>ᙳᒴAᓄ0.62C(0.1s)ᑁḄEFAᓄGᙳ90.63cmHIᙠJKMᑁᡠ4<=ᒴ#N
஺ூ᪆௃ூᑖ᪆௃ூT௃(1)[1]AB.UVᡭXYᘤᵨḄ[50Hz\]ᵯ_`a[]ᵯ_ᦑ⌱⚗AefB┯JhC.iGjkḄXlmno◤⌕ᵨᑮs$tᦑ⌱⚗CefhD.u[aᵨv⊤w9YᘤḄXm'xy/◞Ḅ{⚪⌱⚗D┯JhE.}~ᵨaᑮᜩw9aᵨiGG⌱⚗E┯J஺ᦑ⌱AC஺(2)[2]ᐜ!CXᓽᙠ90.3s!Ḅ#$0.86m/sᓽ*ᯠUVᔜXᵨN!ᩭh

87(3)[3]w9[ᩩNy/ᐸ#$Ḅᜧ<[aAḄᦑy/[ᒴA#N
*4y[w9#$ḄAᓄḄᑁ[Ḅ.[4]#$Ḅᜧ<*4᪷&#$Ḅ(ᩭY!0.99-0.74m/s2=0.62m/s20.5-0.1Y#$◤⌕ᙠNXᡠḄXmGᜧh(4)[5]ᵫᙠᒴA#N
VCᑁḄEFḄAᓄG[Ḅᦑᡃ◤⌕~¡
[a[¢£¡ᐵ¥¦*4hᵫCXḄ[Ḅ§w9EF-DE=10.20cm-9.57cm=0.63cmDE—CD=9.57cm-8.95cm=0.62cmCD-BC=8.95cm-8.31cm=0.64cmBC-AB=8.31cm-7.68cm=0.63cm…y/Cᑁ¨©ḄEFª[Ḅᡠ4<=Ḅ
[ᒴA#N
஺243.(1)mig(2)"qg%="Ḅ2T1528T2ூ-᪆௃ூ0-௃(1)[1]<=ᒴ#«¬ᑮஹ¯ᢝஹ᥅²³´µḄ¶ᔠ9¸h¹º¶ᐸ»aA,ᦑᔠ¹º´µḄ¶`´µḄ¶᧕¶¾³¿ÀḄᡠ4<=ᡠ¬Ḅᔠ᜜9nng(2)[2]ᒴA#N
Ḅᙳ#$VsÂ#$ᦑ%=Åhc2Tব'ÇG9È

88ᔠḄ39ÈW=mgX2,1◤⌕~Ḅᐵ¥É9ÈÛ=ÜÝ44.I(R+r)ᨬᜧË216.3(6.1-6.4)2.5(2.4~2.6)ூ᪆௃ூᑖ᪆௃ூT௃᪷&ÌᔠᵯÍÎÏ(Ð,ÑÒY}~ḄÓᳮ⊤ÔÉ[E=I(R+r)(2)[2]᪷&}~ḄÕᐰឋÓᑣᙠÌᔠÙᐵlÚᐜᵯÛÜᑮᨬᜧËব᪷&ᵯÛÝᦪßᑣᵯÛàᐭᵯÍḄË92x100+1x10=21஺ব[4][5]ᵫE=I(R+r)*RUâã᳛k,-1_—__4_-1_E22-3.5£«6.2VᵫJK(6.1~6.4)Vᙳefh-ÉUâḄæmh=—=0AEr«2.5஺ᵫJK(2.4~2.6)Qᙳef45.123.21.43200150ᵬÑèᨵὃ⇋ìÕ⊤ᑁḄíîூ᪆௃ூᑖ᪆௃ூT௃(2)[1]ÎÏ⊤Vᵯ]ïð⊤ñ]ᐭᵯ⊤ïò⊤ñ]!ᵯ⊤hᵯ]ïᵯ]⊤eàNó]ᐭᦑð⊤ñàô1,

89ò⊤ñà2বফᵫU*+ᵯÛÝᦪ9R=(2x10+3x1+2x0.1)Q=23.2Q,E(4)ö[4]ᵫ/=IùAú———K-r------IEEᵫUâ*1,175-140—=k=-------------E50E»1.43Væm9.=b=140E%=200Q(5)[5]ᵫU*+ûÎÏ⊤ḄVËᵯ90=15x100=150஺ᑣᵯ“xio”ᢱᑁýᵯÍḄþᵯ9150cöᵫᵬÑᜐᳮ
ᵫᨵὃ⇋⊤Ḅᑁ᝞ὃ⇋⊤Ḅᑁᑣᨵ9+4+åEEᵫᵬḄRᑁᜧḄ"#$ᨵὃ⇋⊤Ḅᑁ46.RᵬEi2&>=ூ*᪆௃ூ-*௃(1)[1]..ᱥ01᝞2

90ফঞফéভমé.ìᐵ$2,îᢝR·ðñ⁚R2,óVôᦪ2.00V,ö÷øùúûᵯ<üḄ<ýRo,ó(?L±Lþ£Åð<ᘤRi⌱ÿ
Ḅᵬᵯ⌱Eiᵯ⊤ᦪ2VᵯᵯIV,ᑣᵫὶᵯḄᱯ!Ḅᵯ⊤ᑁᱏᑣ=26$%&&ᐵ⎃)ᵯ*ᵯ⊤ὶᑣᵯ
+ᜧ-ᵯ*ᵯ⊤ᵯ./⌕ᜧ13V,2ᵯ⊤ᦪ2Vᵯᵯᜧ1IV,ᑣ3▭5ᵯ⊤ᑁ12R஺,ᑣᵯ⊤ᑁḄ83
Rv9:%<>Rv(3)[7].-=>?@S2Aᔠᵯ⊤ᵯC1S2%&ᵯ⊤/R2Ḅᵯ./ᑣS2%&ᵯ⊤DEᵯ⊤ḄᑁC1ᵯR2Ḅ
->?=FGHIJᓽᵨI*஺47.(1)30100(2)Mὶ1.0(3)O=ᐲR«O)ூV᪆௃ூᑖ᪆௃᪷[\ᑖᵯḄ]^_`ᵫ⚪@ᡠcḄdᦪ[ᑡ>fg!hi⊤Ḅᑁjkᔠlmnopg!hi⊤Ḅ=fᵯ⊤Ḅᦋrs⚪ot\ᑖᵯḄ]^_`Ḅᵨ᪷[uElm/ᑁḄ
v=fopw!⌕MὶḄᵯ
xᐝzᵯḄᵯ{ᓃᵫ]^_`}⚪xᩩᑡop⊤!ᐝzᵯ*ᐝ᯿mḄᐵ஺ூV௃(Dxhi⊤⊤ᵯ{ᜧO஺ᑣᵯḄ
O1=100OᵫAᔠᵯḄ]^_`O஺(O,+OO)=OᵯḄ
R=800Qᑣᨵ20(O+O/)O஺=OὶMᐭᦪ[VOO=100OOg=jOOhi⊤Ḅ=fIg=30mA(2)⌕=f300mAḄhi⊤ᦋᡂ=fOO=3Aᵯ{⊤ᑣ◤ᙠhi⊤MὶRᵯxᐸᵯR’,!IᨵOOOO=(OOROO)Oᐭᦪ[VO1.0O(3)ᵫ⚪ᦋr)ᵯ{⊤ḄᑁOO=/OxᐝzᵯḄᵯ{ᜧO’(ᓫA)ᑣᨵ(O+OO)O'=Oᡂ¢O'=£¤OX/஺-஺ᓽ+xᓩOXJ0-'V)=1&0V,᦮ᳮ

91O=^-1Q஺48.5.700BA~y--T=F-Fi=6mg2ூ*᪆௃ூ-*௃(1)[1].345ᘤ789:;ᦪ=5.5mm,>9:;ᦪ=20.()x().01mm,ᦑᨬA;ᦪ=BὅDE,ᓽ5.700mm.(3)[2][3].᪷IJKḄ.L
ᫀJᳫᙠᨬPQḄR:ᜧJ=dvi=FA/,JᳫᙠᨬSQḄR:ᜧJ=dV2=--Af2TUVW:=L,ᑣXᨬSQᑮᨬPQZI[\]^ឤ8`ᨵ1d21d2—m——+me.2L=—m——2Ar2T2MT(ᓄbcd2d2Af—y--F=4^AAr;ᡠeJKf◤⌕Ḅᱥᳮ$UVḄW:L᪷IJiḄ.L
ᫀTJᳫjᙊᕜm>Ḅno=r,ᑣJᳫᙠᨬSQᨵ2F-mg=m—2ᙠᨬPQᨵF,+mg=m^-rXᨬSQᑮᨬPQZI[\]^ឤ8`ᨵ1212c—mv,~=—+2mgrὶq
rᓄbcFi-Fi=6mgᡠeJif◤⌕Ḅᱥᳮs$JᳫḄt.m(4)[4].ᵫ(3)᪷IJKḄwxLyJᳫXᨬSQm>ᑮᨬPQḄzr{[\]^ឤḄ⊤

92|}=d2d2ATW=4gL(5)[5].ᵫ(3)᪷IJiḄwxLyJᳫXᨬSQm>ᑮᨬPQḄzr{[\]^ឤḄ⊤|}=F2—Fi=6mg.49.-~ᙽᐝᩩḄtMmglDtூ*᪆௃ூ-*௃(1)]ᐝᩩ:JzeᵨᙳR:R:ᢱᐝᩩzᐝᵯḄR:=dv=—(2)[2]~ᙽᐝᩩḄt=M,ᡲấṹzr{EḄ>]=121dJE=—(M+m)v2=—(m+M)-(¡)k2.L{f⌕Ḅᱥᳮ=~ᙽᢱᐝᩩḄtM,(3)ব᪷I⚪¥¦§¨©ª]ᓽ=ᡲấṹ¦JḄ=/Ep=mgl(4)ভ=¬Ly[\]^ឤ◤®Ḅᐵ$1dmgl=—(m+M)-(¡)2°±$:-/2µABC┯·D¸¹஺ᦑ⌱D஺P=ᐗ(ᔆ&)ூ*᪆௃ூ-*௃ᵯB¼ᵯ½X¾¿ÀÁ⁚ᦑ⌱Ãᑖ½}ÅᵯÆ⊤ᑁÇᵯÆ⊤⌱ÃᑁÈ⌱B(2)[2]È"ᳮ20È.ᱥ2᝞2

93ব[3]ᵫ3®ᳮ}=RA+Rᵫᵯ_`R=p9,¯°☢²S=7t(')2,ὶV:3/P=Q4-R.4L/Am.´d2(ntm,\51.4.800A—L=----------"+TூV᪆௃ூV௃প¶I·¸¹ᘤ»¼Ḅᦪ4.5mm,½lmḄᦪ0.01mmx3().0=0.30()mm,ᦑd=4.5mm+0.300mm=4.800mm(2)ফ¿½=Àឤ_`◤⌕=ÂᙽAஹBḄÅ=Æ/nuᦑ⌱A(3)Ç᪷[½=Àឤ_`Èᓃ—tnv=022ᐸ@_m,%,2[4]᪷[p=Àឤ_`É%ÊnËÌÍḄÌឋÏp2ஹ□12Ð2dEp=Q0ᓃ+ÑÒ2%22752.Ó⌕0.720.85BD

94ூ*᪆௃ூᑖ᪆௃ூ-*௃JÉ~Êᑮ¨©ஹÌ1ḄÍ©ஹÎᢝ©᥅Ñ©Òᵨ=¬ᙠ.L{]ÓÔÌ1ÕJÉḄÍ©Ö=JÉḄᔠ᜜©ᑣ°±ᵨ¨©Ḅ~ᑖ©ᩭ⊝᥅Ñ©ᙠ⊝᥅Ñ©ÛᢞÝṹÞ⌕0Èßà஺(2)[2J.DáḄBâãᦪQäfᨵ4âᡭæḄQᨵçæãᦪQḄ◞=T=0.02x5s=0.1s᪷IᒴêRë1m>Ḅì`¡íᑁḄᙳR:î{9ḄR:ᡭBQḄR:=v„=°—x10~2m/s=0.72m/sB2T2x0.1(3)[3].TÝṹḄt=m,JÉḄt=M,JÉ{ïṹḄt=m)Õᵫ>]8ᳮcmgx=^(A/+m+m'')v2᦮ᳮc2=2mgxvm+m'+Mv2-x2ñḄò᳛k=23m+m'+M0.25*cM=0.85kg.(4)[4].A.ÝṹḄ¨©ᜧÌ1ḄÍ©ÛôõÝṹ¨©jjḄöᦑA┯·ÅB.WᩈøḄù¼úûḄP:zSüýᐰ⊝᥅Ñ©ᑣ᥅Ñ©jÿ
ḄṹḄ
ᦑBC.ᵯḄ
!"#$%&'ᑖ)*+,
*-./Ḅ
ᦑC┯1;D.34ᵯḄ5▭⚣᳛ᜧ50Hz,᝞;<ᐭ>?@AḄᕜCD0.02s,EF5ḄᕜCᜧ
ᑣHIᩭḄ>?K
ᑣK
ᦑD஺ᦑ⌱BD„53.N15056024000.52A1400஺KᜧூQ᪆௃ூᑖ᪆௃ூTQ௃ᵫ⚪WᡠYᵯZ[\]
B/^_⊤ᑁbᵯḄc᩽ef
BDg⊤h
ADN⊤h஺(2)[2]ᵫ⚪WᡠYᵯZ[\]
iᐵSkb1
ᑖ4ᵯlm
nᵯ4ᢱḄᜧp[3]᪷r⚪WᡠYᵯZ[
ᵫ^_,s\]

95I41X10-3X200A+68ᐲR_______________________________Q=50Q/-/5x10-3-1x10-32g[4][5]5mAᵯ4ᢱḄᑁlDÕK+R,
ÖR=~~~^~=40QR+R+Rt2gᑣ%Ö=(×R4஺)஺=560¶5&=
-5-&=-40-560)஺=2400Q19DX1U(3)[6]Btu/“1”efḄ
ᵯ4⊤pD1A,ᑖ?vu0.02A,wᵨᵯ⊤yᦪD0.02Ax26=0.52A{nBtu/“3”ef
wᵨᵯ⊤|ᵯl
ᵫ[Y\]
ᢣ┐ᢣᙠ14Ḅkb
ᑣyᦪD14x100஺=1400஺(4)ᵯᵯஹᑁlᜧ
◤⌕^_
ᵫKᵯ4I*
^_⊤ᑁl
|ᵯlḄ|vuᵯ4⊤ḄYᦪIᩭḄ
\]Rᑁ
ᨵ/E4Ö+K஺+ÖᵫIg*ஹRᑁ
ᢣ┐ᩭḄkbeEK
^_⊤ḄYᦪᜧ
|lvKᜧ஺54.N1AlRiR12004ூ-᪆௃ூ0-௃(1)]wᵨᵯ⊤Ḅ⊤ᜮᐳᵨᱯᩭ
N⊤h^_᫏ᑁ'ᵯḄ᩽ef
,A⊤hDN⊤h;ফ|ᵯl
◤⌕ᑁᵯ
⌕¡¢ᣚiᐵᑮ1kb(2)[3]ᵫᦋ¦§Ḅ^_⊤ḄᑁlD3000(ᓽWvᵯl)
«ᵯᵯD3.0V,ᡠ¬ᨬᜧᵯ4D®3I=——mA=10mA30ᡠ¬ᵯ4⊤⌱A”ভᦋ¦ᡂ^_⊤
ᐭ&±ᵯl
ᵫ⚪²]^_⊤ḄᑁlD300C,ᐭ³ᘤ⌕K
µ!JE%=——/?=200QAᦑ³lᘤ⌱Ri;

96মᦋ¦DpD0Ø4VḄᵯ¸⊤
¹ºὶ&±lvD:U-IRR=-------^=500Q4ᦑ,vᵯl⌱R"(3)[6]½ᵯlvᢣᙠ!(ᜐ
ᓽnᵯ4D®5g/=-/„=20mA5gᡠ¬|ᵯl®ERஹ=7-6=1200Qo55.p¿ᜧ
|1ÀᜧAi95001.480.7Ø0.8ᙳ\ூ-᪆௃ூ0-௃ᵫ&⁚ÃᵯᵯᨵL5V,Äᵯ¸⊤pD15.0V,ᑣp¿ᜧ
|1Àᜧ
ᡠ¬*!ᵨᵯ¸⊤(2)[2][3].ᦋ¦ᵯ¸⊤¹⌱ᵨᑁlÅ]Ḅᵯ4⊤
ᦑᵯ4⊤a⌱ᵨA”᪷rᦋ¦ᳮ\]®2-5000=95000.200x10"(3)[4].᪷rᦋ¦ᳮ\]
ᵯ¸⊤|ḄZtᵯ¸D®U=10000I]᪷rÇᔠᵯZ^_,s\]®1OOOOI1=E-I(r+R);20᪷r[É\]®E=1.48V[5].[ÉḄÊ᳛⊤Yᑁl
ᦑᨵ:1.48-0.60஺ᔆ+4)=1.8஺0.50-ᦑᨵ:r=0.8Q56.6.869(6.868~6870ᙳ\)9.60ூ-᪆௃ூ0-௃পÌÍ|ÎᘤÏ,Ð?'ᑖyᦪD6.5mm,\Ð?'ᑖyᦪD36.9x().()lmm=0.369mm,ᡠ¬ÑÒÓÔ?|vD6.869mm,ᵫ1À6.868mm~6870mmᙳ\[2]Õ᪗ᓱØÙØ'ᑖyᦪD9mm,Õ᪗Ø'ᑖyᦪD12x0.05mm=0.60mm,ᡠ¬ÑÒᙽÛ?|vD9.60mm

9757.0.5202as=v20.270ூQ᪆௃ூᑖ᪆௃ூTQ௃Õ᪗ᓱØḄÙØyᦪD5mm,Õ᪗ØyᦪD0.05x4mm=0.20mmᑣyᦪÜ;D5.20mm=0.520cm(2)ফ³ᙽᙠṹḄÝᵨÞßàáâ☢ᒴå>æçè
³ᙽᙠèpWḄå>?a\᪷rᒴ>èḄésᓃ2&*=2⏚ᩭH஺(3)[3]³ᙽᙠṹḄÝᵨÞßàáâ☢%ᒴå>æçè
íᐝᵯïḄð>?ᜧD□==,ᵫᒴ>æçèésô&õ=2ö÷=0Q":ᵫ%A\"I2aF.Sᵫn\][øḄÊ᳛Dd2ᵫ[ø\][øḄÊ᳛Dk=2.0xl04஺ᡠ¬³ᙽḄå>?DMsin0-in(2)BMcos0ூQ᪆௃ூTQ௃(1)[1]íᐝᵯïḄ>?ᑖùD:ᵫᒴ>æçèḄ>?kú@A\]
å>?:a_1-ᡈ_I(Aõ_n)“-2L-2W*5(2)[2]AB.þ5ÿ
᫜ḄᡠḄᓽᒴᡠḄ᜜ᜧ
⊝᥅!ᙠ#ᢞ᫜Ḅ%&'ᒴ
ᡠ()◤⌕,'-.᫜
ᦑA┯1
B234

98CD.6789
᫜ḄᡠḄᓽᒴᡠḄ᜜ᜧ
ᡠ()◤⌕“᫜Ḅ;<==>Ḅ”Ḅ89ᩩA
B)◤⌕Ḅ;<==>᫜Ḅ
ᦑC┯1
D┯1஺ᦑ⌱EB(3)
ᵫ⊝ᩩAGEMgsinO-mg=gMgcos0,G᥅6ᦪEMsin3-inu=--------------4Mcos659.0.461.5xl049CDூJ᪆௃(1)⌱MNᐵP>“1mA”
⌱M⊤RST᣸VWXYZᦪ
ᑖW\0.02A,VW]ᦪ23,ᦑᑣ_`a0.02x23=0.46Aফ᪷dT-=T
T==gT
ᵫhiGT-=0.6T
jT=0.3T
T-=J5TT
JGkl'_n+=T7kTk=qTT=J.5xr
T=9.0T;বAஹ᪷dᵯvwXxy
ᙠh(b)
ᵯ⊤Ḅzஹ{|}ᜐᑖ᪗Ḽ“+ᦑA┯14Bஹᦪhឋᓄ
⊤VW)ᙳᒴ
]ᦪ{ᜧzᵫ>᜜ᵯᜧ
ᵯᵯv⌼ᡂḄ
ᦑB⚗┯1஺Cஹ⊤⁚ᘤRo,⁚_ᵯRx(ᓽ⊤¡¢£)
ᵯv⊤¥¦
⊤]ᦪ
ᦑC234Dஹ⊤VW)ᙳᒴḄ§6_ᵯᵯᵯvᐵ¨ឋᓄ
©ªI-&ᑗ¬᳛ᜧ®_ᵯ\ᜧ
ᓽRஹ\ᓄᵯvᓄ®_ᵯᜧ©
⊤VW{¯z°
ᦑD234ᦑ⌱CDo60.156F=156(L-0.02)±²§³ூJ᪆௃ூᑖ᪆௃ூ´J௃পপ±²±F¶±²³WLḄᐵ¨h·Ḅ¬᳛⊤]¸W¨ᦪ
ᑣ¸W¨ᦪk=----------------N/m=156N/m0.052-0.020ফ[2][3]ᵫh89ᦪd`ᔠº»¼½Gᑮ±²±ᜧF¶ᐸ³WLḄᐵ¨ÀF=HL—4)=156(£-0.02)ᑖ᪆h·iÁ
h¶ÂÃḄᜳÅ⊤]±²Ḅ§³

99Rg8.5_ᵯÖᵯÔ
×ØÙᵯÔ⊤ZᦪᨵZᦪ
©ᵯv⊤Zᦪ஺(3)[3]ᙠhÚÛÜÝÞßyR-1h·᝞'xp=—=9.66x1()T3x-------1------=8.5xIO”RS(0.38x0.001)ஹ(5)[5]6áâ_ÉÊ˳W1£ᐭᵯḄᵯ
ähå¬᳛åy¶Ḅᜧ
ᡠ(ᵯ⊤ᑁᔠÉËᵯ᳛_`aÆÇÈ஺,d262.Cgh=---2(7ç)2

100ூJ᪆௃ூᑖ᪆௃ூ´J௃(1)[1]¨èéêëìឤ¥î,12mgh=—tnv''ïdv=k"tJG,d2gn=------2(Ar)2ð◤⌕_ḄᳫḄÌÍd.0.60(2)3.00.50ூ0-௃JE(1)জ᪷d§ᳮhiGyḄ8ᱥh
᝞hᡠ];ঝ᪷dõᔠᵯ¼½iGEU=E—Ir,ᑣᵫᦪö÷½iÁᵯøE=2.8V,ᑁᵯ\U2.8—I—-----=-------------£2=0.60஺M0.2(2)ᵫùúöḄᵯ£ûiÁR1{züᑖýὶÿ&ὶᑣᙠᱏᘤᐭᵯᐜᜧᑣᵯᐜᜧᡠ!"#eᡠ$Ḅ#&ᑣᵫ#&(ᵯ)2.5V*ᵯ+)0.5A,,*-.ᑖᵯ01ᑣ2ᵯ+)L=1A3(ᵯ)2.4V*ᵯ+ᑖ4560.33A70.87A,ᑣ89(ᵯ)2.4V*:ᵯ+)4=0.33+0.87A=L2Aᑣ᪷<=ᔠᵯ?@AB

10182.5=E-r,2.4=E-1.2r,DEᵯFḄᵯGE=3.0V,ᑁᵯr=0.50064.4R5009999ூD᪆௃ூLD௃(1)[1].MSNᔣP1,QR⁚%UVW⊤ᜮᢣ┐\]ᑮ〉(`abc,*᪗eᵯ+⊤A஺ḄgᦪI஺(2)[2].ᯠMSNᔣP2,R⁚ᵨU᪗eᵯ+⊤A0Ḅgᦪk)I,bc,*4Ḅgᦪ஺(3)[3].glᵯmᔜop56Ḅᦪqrs06Ḅt᳛஺ᐸᵯ)0xl000Q+0xl00Q+5xl0Q+0xlQ=50Q14].wᵯmxyḄᨬᜧq)9xl000Q+9xl00Q+9xl0Q+9xlQ=9999QᵯmxyḄq|)09999஺65.(1)8.02.096(2)R,(3)᝞#ᵬஹᡠ$ூD᪆௃ூᑖ᪆௃?@⊤ᢣ┐$ᦪt᳛Ḅs?@⊤$ᦪoWᘤA$ᦪ7oWᘤḄ$ᦪᙠᐰḄxc)6⌱ᨬᜧqḄᘤ)eWᵯq6Wᦪ<ᘤᵨᑖ᪷

102᪷<ᵯ#ᱥᵯ#᝞#ᡠ$4O7I/295/1-75/266.2஺120஺dIl-h8(/2-/.)ூD᪆௃ூᑖ᪆௃ூLD௃(1)«][2]®ᵯ¯᪀±!ᵯ+⊤ᵯRi²ὶ,ᦋµᡂᜧḄᵯ+⊤ᵯ+⊤ᵯR2ὶ,ᦋµᡂᜧḄᵯ⊤ᡠRiḄq)2஺Kᑖ+)ᵯ+⊤Ḅ15tᑣᦋµḄᵯ+⊤Ḅ)160mAR2Ḅq)120C,ᵯ+⊤·\ᵯ)Ug=10x10-3X30V=0.3VᵯR2ᑖ)ᵯ+⊤·\ᵯḄ4tᑣᦋµḄᵯ⊤Ḅ)L5V(2)[3][4](ᵯ¸5=ᔠ¹a*ᵯ¯᪀)ᵯR஺ᦋµḄᵯ+⊤ὶᡠᵯ¸S?=ᔠ¹d,ᵯ¸S3=ᔠ¹fবম¼(ᵯ¸½=ᔠ¹b*ᵯ¯᪀)ᵯR„ᦋµḄᵯ⊤²ὶᡠᵯ¸S2=ᔠ¹c,ᵯ¸S3=ᔠ¹e(4)[7]¼ᵫফᨵ«/cR\R\ஹ,,RAஹE=(Ro1rH--------------Fr)(71+1\—)=Ii(190+16r)RA+R\R\ᵫ(3)ᨵE=l2(R\+R2)+(L+l2öJ)r=12(150+16r)AO-ÄὶÅDE«40717295/1-75/2E=~I2-1~\9r=ozj/ஹ8(/2-/1)

10367.9(ᡈ9.0)È10ூD᪆௃ூᑖ᪆௃ூLD௃(1)[1]ᵨᵯ⊤ᵨ?@⊤pḄgᦪst᳛ᓽ)VWᵯq9xlQ=9Q(2)[2]ᘤᵨᑖÄᐭᵯᡠ⌱ÊqḄᘤ¨R⁚ᑖᓽ⌱E«(3)[3]ᵯËᨵᵯ⊤ᵯ+⊤G2ḄᑁÌ)ᵯ⊤Uᵨᵯ+⊤G1ᵨ᜜ÄÍ◀ÏÐÑUW¯ÒÓÔAqᵯÕὶᙠᑖᵯÖ×ᑮØᵯḄᵨᵯ#᝞#(5)[4]ᘤḄÙᜮᙠÚÛ◤⌕ᑮᨬÈØᵯUᵯ⊤Ḅ$ᦪÞ®0ÚÛᓄ஺ম᪷<ᵯ#¯ᔠ?@ABḄᑖ+àBE᦮ᳮE¯ᔠ#ãḄä᳛&ÖAZ237.5x10-3=0.5ú+GR¼+10஺Rᨵ-75x10-3DE«=10஺68.110

104ூD᪆௃ூLD௃ᵫ#2±!#&åPḄæäçèᐸä᳛1¨pV,ä᳛éᑣpVé᪷<ê᝱ì=c,êíḄîéᙳ1îᓄᵫê᝱ETpVð£ᓽT#èḄä᳛ᡂð£ᡠñ᧜êíᙠóôõḄ஺ᐵ#èḄ1(2)[2][3]ö÷ᘤøùᙢûaᙠü☢Öþö÷ᘤᑁḄÿP,ᜧP஺☢S,᠒ᜐ⊝᝱1PS=PS0ᓽP=Po!"ᑁḄ%&ᜧ'ᢝ)*ᡠ,"ᑁ%-ᔊ/01&*ᓄ஺34᝞36ூ8᪆௃ூᑖ᪆௃ூ<8௃(1)=]ᵫ@ᔠᵯCDEFG!ᑁHÖE15=2=5L஺=1500஺I10.001ফᦑMᵯHN1500C,᪷PQᵨᵯ⊤ḄTUV!⊤WXYᨵ[\᫏^,-xl,ᑣឋᵯHaᜧ)bᔠc▭ᦑDE⊤e᳛N“xlO”(2)[3]/gᑮ“xi”e᳛NijklmNḄᵯH150஺ᵯnI.=—A=0.01A1150ol⊤ᜮᵯnN0.001AᑣqrsὶᵯHR.,ᵯnN1=(0.01-0.001)A=O.(X)9A3ᑣᨵE-I.R,1.5-0.009x150^“R+r-------2-^-=---------------------£2=151220.01ᡠ,

105û=150—0.50=14.5஺4ᵫ3!ᵯn0.75mA,uᵯH8,=—X103Q=2000Qü0.75vwᵯH%=2000஺-1500Q=50QmNḄTN50Q70.◤⌕)◤⌕0.49z/zX0z/z6ூ8᪆௃ூ<8௃(1)|c}~ᘤwḄḄ⌕Ḅᔠ᜜◤⌕⊝᥅ᵫ,ᡠ,ṹḄ)◤⌕Ḅ(2)⚣᳛z=50zzᑣᕜz=002z5101ᦪ¡¢[1ᦪr£Ḅl££◞z=5z=஺¦z§51ᦪḄz=¨=ýö/=0.49.1.,᪷P⌲ª«!Ḅ¬j=DYkூ8᪆௃ூ<8௃প=®¯°c}±²◤⌕³ᵯ´ḄCµᵯᨵ¶·*ᓄ¸*HᘤN⌱ºuHM»Ḅᵨ஺ফফ᪷PᵯC3cᱥᵯC3cᱥᵯC3᝞3ᡠ½

106þÿ(3)[3]᪷Pᙶ᪗ÀᑁÁḄᵯÂḄU-/3Ã3Ã᝞3ᡠ½UN2.01.0().51/A00.20.40.60.81.0*[4ᓅ5]ᵫ3!ÅÆ1.5,ᑣᵯÂᵯÇE=1.5VᵯÂᑁH&34ḄÈ᳛ᨵAU1.5-0^Ger=----=----------Q«1.9QA/0.8[6]¡mᵯÂᩭÊᵯn⊤Ëᵨ᜜«ᵯn⊤ḄwMᵯÂḄᵯnᵯÇÌᑁHḄwMᙳÎcMᡈὅᳮ8ᵯ⊤ᑁHÒᙠᑖnᵨᦑᵯnwMk,ᵯ⊤ᑁHqᵯÂsὶÔÕ&ᦔᵯÂc▭wḄ~&ᦔᵯÂḄᵯÇÌᑁᵯHᦑᵯÇḄwMÎcMᑁᵯHḄwMÎcM஺W72.×ØÙᙳᒴᥜᙠÜ☢XNÝ~)ÞßàḄáâQßàḄã0àäåூ8᪆௃ூᑖ᪆௃ூ<8௃পᵫc}æç!èéḄc}æç~ᙠæçঞÔ¬X6ᴈØÙᙳᒴᥜᙠÜ☢X஺[2]┯íḄ~æçডNÝᦋ6ãðñóᑁô¯õḄuᦪN,ᐸ)Þß1àáâQß1àḄã0à஺[3]0÷ø⏚⏀ûüýþᨵÿ⏚Ḅ==nVnV22

107Ḅ☢S=Na2⏚ᑖḄ_V_wdSNna2V273.5.0154.700175.9x10mூ᪆௃ூ௃᪷᪗ᓱḄᦪᑣ!"ᦪ#50mm+3x0.05mm=50.15mm=5.015cm(2)ফ᪷%&'(ᘤᦪᑣ!"ᦪ#4.5mm+20.0x0.01mm=4.700mm(3)[3]ᵫ+,ᵯ.+!"/ᵯ0⊤,ᦪ#U=IRஹ=—^—RஹxR+Rxx᦮ᳮ4/JUUEREXᵫ+,+5!"/6789b=—=0.5Eᡠ;ᵯ<ᵯ=>E=2V,+5?᳛1A408-0.5=0.3ER\R10Xᡠ;ᵯAAB7?=—=——17c*kE0.03x2[4]ᵫᵯ0⊤ḄᑖCDᵨ!"F'GBᵯAḄHIBRo஺(5)[5]ᵫᵯAKL!"LLR0=P1=P2kJMSMᐭᦪ4ᵯA᳛pW^xlo+a.m74.D0.808.942.0

108ூ᪆௃ூ௃ᵫᡠᨬᜧᵯ2A,ᑣᵯ⊤⌱D2ᵯᵯ!9V,◤⌕$ᵯ%⊤ᦋ'ᡂ9VḄᵯ%⊤)ὶᵯ+ᑖ%6V,-ᵯ%⊤./Ḅ20ᵫ)ὶᵯ1ᱯ3ᑖ%ᵯ++4ᵯ%⊤ᑁ+Ḅ208KC,ᵯ+6⌱F3ᵫ7⌕.8ᵯ9:▭Ḅᵯ!<ᑁ+=>:?@ABC+ᘤ⌱G(2)4$./3VḄᵯ%⊤./᡽ᜧ9V,ᑖ%ᵯ+ᑖ%6V,ᑖ%ᵯ+ᑖ%-ᵯ%⊤FGᵯ%Ḅ20ᵫ⚪Iᵯ%⊤ᡠᙠK1ᵯ%2.40V,ᑖ%ᵯ+FGᵯ%ᵯ%⊤FGᵯ%Ḅ20:?LMᢝ4OPQCᦋCR+4Sᵯ%⊤ᦪ0.80V,ULᵯ+6ᑖ%1.60V,Vᡂᵯ%⊤᡽ᜧ./;(3)5ᑖ%ᵯ+6FGᵯ%-ᵯ%⊤FGᵯ%Ḅ20ᵯ%⊤ᦪU,ᑣ1Gᵯ%3஺ᙠYᔠᵯ1[ᵯᵯ!E=3஺+/(r+&)᦮ᳮ_33ᵫ`abcb=1E=2.98V3ᵯᵯ!E=8.94Vde᳛Ḅgh4,r+R.2.98-1.0,k=--------=--------------=131.98ᵯᑁ+r=2.0Q75.0.581.0ூ᪆௃ூᑖ᪆௃ூ௃(1)ijᩈᙽmnopAᵨrpmgஹKᢝpFNஹtpFஹB᥅vpF”wx=ᔣᨵmg=FN+FsinO{|=ᔣᨵFf=FcosOᵫ7F=gFὶ}_fNpmg=F(fisinO+cosO)

109OP#஻ᓡg=—Jl+஻“sin0-J=+cos<7-j=J=)J1+"J1+—c1tana=d᦮ᳮ4|img=FJ1+/?sin(0+a)e0+a=90°f/FᨵᨬB/ᵫi+"/஺=30,fFᨵᨬB/ᑣa=60°ᡠ;஺1tan60=d4p=^^-=0.583ফফj᥅lmᦪMᐭpmg=F(nsinO+cosO)4F______ᔳ—2sin(6>+60°)ᵫi+"/e஺=30°fF=10N,4mg=10Nᡠ;m=1.0kgூ᪆௃ூᑖ᪆௃ூ௃(1)”ndGo#2VḄᵯ0⊤ViᦋqᡂGo#3VḄᵯ0⊤/snKBᵯAtᵯ0⊤Vi(N)uὶ/#'G

110ᵯ%⊤V1Ḅᑁ+~ᵯ%⊤V2(M)ὶᑮᵯ%⊤V1<4ᵯ+FGᵯ1᝞(2)[2]᪷_M⊤(`ᙶ᪗)

1115mm+0.0mm=5.0mm=0.50cm(4)[2]wxyzḄAO{|}xy~=Ḅ/ᨵAD4.53cm.v=----=-----------=75.5cm/s33x0.02sᓽ#ᵯ==f7Ḅ஺7ᙊᕜ~=/ᑣv75.5cm/s
n=-----=-----------------«48r/s2ᐔR3.14x0.50cmমবᨵ/ᙠ7zḄoeᜧ7Ḅ/zPᢥᵯ=ᨵ|},4ᑮḄ|}Bᜧ஺J2179.0.670B¡¢£f¤ᐝᱏᑮᐝᵯ§Ḅ9¨dtn--72xrூ᪆௃ூᑖ᪆௃ூ௃(1)[1]᪗ᓱ©ᦪ#0.6cm,᪗zª14ᩩ¬t©zd¬®¯/ᑣ᪗ᦪ#14x0.05=0.70mm=0.070cmᡠ;ᨬ°ᦪ#0.6cm+0.070cm=0.670cm(2)[2]A.n±ᩈ³Ḅ´µ〉e·¸/;¹⊝᥅l»/¼#½Ḅ¾»¿£ÀᑮḄᔠ᜜»/ᦑA┯Å;B,ṺÈṺ᫜ḄÊËGÌ£ḄËG/!;½Ḅ¾»ÍοṺÈṺ᫜ḄÊÏ»/ᦑBÐÑ;C.Ò¤ᐝᱏḄÓ/ÔÕ¸'G£ÈḄÖ/ᦑC┯Å஺ᦑ⌱B(3)[3]ভÙ◤⌕'G¡¢£f¤ᐝᱏᑮᐝᵯ§Ḅ9¨/£Ḅa——+—-—Ü—-----lx2xt2(4)মᵫ.d2g=Mm4d2M1m=-------•—2xgt2#½+ÝÔÞᙢà᧜ᱥᳮGãäḄᐵæ/sDç-!+Ý/e+Ý#éḄdᩩê?f,⊤ëËGdKf/tᔠ»ᡂÐì஺

11280.g(S|+S2)/¼â2+.%)/Ü(/3—S|)/240ூ᪆௃ூᑖ᪆௃ூ௃(1)[1]ᡭB3LrᱥäåḄÆÇ7ACæḄ|ᙳÆÇᡠèè=^^=*|+$2)ëফÁᳮᡭÅC3LrᱥäåḄÆÇè=^^=õ($2+$3)/Ü[3]ᵫíÆÇḄîï_஺÷)ø(2)[4]ᵫðñòó_Ñmg—kmg=ma,_Ñôᐭᦪ4_:f=40Hz.ூ3÷௃ø⚪Þ⌕ὃú?ûü£ýឤ:?ஹËÌᦪᑖ᪆.ÿ
⚪Ḅᐵ᪷ᦪᡭḄஹ᦮Ḅ!⚪⌕ᱯ$%&Ḅᡭ'ᘤḄ⚣᳛+,-ᵨḄ50Hz.81.0649688()4000ூ᪆௃ூᑖ᪆௃ூ6௃(1)71᪷89⊤;ᳮ=>?ᑁAᵯCḄD᩽FG0⊤H?᪵JKLMᙠOᵯPᵯQ⊤RᵯQ“TU0“?ᡠWAXFG0⁐Hফ[2][3]Z⊤ᜮ\ὶᵯ^⊤Ḅᦋ`?Z⊤ᜮaὶᵯQ⊤Ḅᦋ`஺cdᐵeᔣ1,gᵯ⊤hih2.5mAᵯQ⊤?ᵯjk᝞kRi

113Ffᨵùúd4)=(4+4ûeüᐵýᔣ2,Ffᵯ⊤#Go#1mAᵯC⊤/ᵯ.+᝞H1-R2
ᨵ(a+&)(4)=44ὶRi=64Q,R=96I22[4][5]ᐵᔣ4,
ᵯ⊤IVḄᵯ⊤
ᨵ1\ᐵᔣ5,
ᵯ⊤5VḄᵯ⊤
ᨵ-/ᑁ,/+"=-------ὶR=880QR=4000Q,4582.Ri1000R(ᡈ%&'(ᘤ)300*5001ூ᪆௃ூ.௃(1)পফᵫ2%&'(ᘤḄᨬᜧ(51000C,ᦑ%&'(ᘤ7ᑮᨬᜧᵯ9:Ḅᵯ9;E1»==1.5mAR
⊤ᜮ?@ᦑA5ᵯ(:ḄᵯB;I

114%=(=1000஺(2)[3][4][5]ᵫtuᵨ89⊤OᑁP?ᦑ✌ᐜ⌕Uy89z0,ᓽz⁚R,uᵯQ⊤}~?ᓽᢣ┐ᢣᑮ300lA,0⊤HGḄᵯCD᩽?ᦑ0⊤HZᵯ^⊤Ḅ“+”Gf[6ᓅ7]89⊤ᢣ┐ᢣᙠI=200jiA?ᑣᵯjRḄᵯQh51,ᦑOᵯ^⊤ḄᑁPhᵯ^⊤ihU,gᵯ^⊤XḄᵯ^hy=5/X7?=0.5VvᦑᐸihIV஺mg—(m+M)a83.C0.737ூ᪆௃ூᑖ᪆௃ூ6௃(1)[11AB.!+◤⌕⊝᥅?+◤⌕uṹḄitᩈᙽḄi?⌱⚗AB┯¤C.h¥Kuᩈᙽ¦§ᩈ¨ḄD^©tᩈᙽḄª?§ᩈ¨«¬?⌱⚗CD®D.G¯ᵯC?ᡭ'ᘤᡭ°±?²³´ᩈᙽ?⌱⚗D┯¤஺ᦑ⌱C(2)ফ¶ᡭ5·¸ᦪ?ᡠW¹Ḅ'ᦪºḄºº◞7=0.1S,᪷ᒴ½¾¿ÀḄÁÂÃÄAr=WḄᜧ?ᑣᨵ«Ç2=3aT2Èa=0.737m/s2஺(3)[3]ᵫÉÊË̱ÍÈmg-/LiMg=(m+M)amg+M)aÈ4=84.0.221030.5030.029.33.68x1(Îூ᪆௃

115ூᑖ᪆௃ூ6௃ÏÐOÑᘤḄÒᦪh2mm+21.Ox0.01mm=2.210mm=0.2210cm[2]ÓÔÒᦪh450.0mm-100.0mm=350.0mm=35.0cm[3]89⊤⌱Õ“xi”89ᢱOi?Òᦪh30.0xlC=30.0C(2)[4]cᵯ^⊤}~?¯&ḄᵯQØh0.3A,=ᑭᵨÚZᵯQ⊤aὶᑖQ?ÛᵯQ⊤ᑁPÜ>?ᦑᵯQ⊤ÝᵨᑁGÞ஺3ম¯àḄᵯQh+i^_=0.15ARZXḄᵯ^U=U2L\R"=4.WᦑT]44R=±=±-0=29.3஺x[6]ᵫRá>âãäḄᵯP᳛385.0.502.001.000.43ூ᪆௃ூ6௃(1)[1].¹'ᦪºåᨵ4'æ᪗?ᑣT=O.lsr᪷Ax=èᔠ⌲ëÞ=>ì=4+/+%%3%ï_(3.87+3.39+2.88-2.38-1.90-1.40)x10-2=050s2amz9x0.12

116(2)[2][3].ᑣ3wEḄxᦪ2.00N4wEḄxᦪLOON(3)[4].w%ᙽ{|}ᱥḄ᦮mg-pMg=(M+m)aᐸ:mg=1.00N,Mg=2N,0.4386.M»m0.20M+tnூ᪆௃ூ.௃(1)]⊝᥅Lmg=ὡ=maF=MaTLM=7------ᔩ!M+mফᘤḄTMᡠᢞṹḄ?M>>{wḄ¡ᜧ¢2ᡠᢞṹḄ}rফᵫ£¤¥¦A§¨12a=----FMᑣaḄ©Ḅª᳛¬ᔠ᜜ᓽ¡°±!IM20F=—N=0.20No1051bᓝ87.12.0³´´µkkூ᪆௃ூ.௃(1)[1].ᵯ᫏50V,ᑣᨬᑖ¸IV,ᑣᢣ┐wEḄ»ᦪ12.0V(2)[2].¼ᵯB⊤½ᵨE¾¿ᵯBᵫN⊤OBÀ*⊤OBÁᦑ*⊤OÂQḄ¬ᵯÃḄ³᩽r[3][4].ᵫÅᔠᵯ9ÆÇA§/=—^ߟR+r'Èᑣᵫ¨:

117L=bE-=kEᑣE=Lkbr--k(3)[5].ᵫ2Rᵨ⊤Êᙠᑁᵯ(ᡠ{ᵫÅᔠᵯ9ÆÇA§E=IR+I(R+r)A'ÈIEEᵫ̨ª᳛"=ÎÏὃ⇋Rᵨ⊤Ḅᑁᵯ(ÒÓᡠ{Rᵨ⊤Ḅᑁᵯ(wᵯÔᵯ&ÕḄÖ×صÙÚ஺88.6.0151.7706Û᪆?&"4/ூ᪆௃ூ.௃(1)[1].Ü᪗ᓱß»ᦪàß»ᦪ+Ü᪗ß»ᦪxá¸
⚪»ᦪ60mm+3x0.05mm=60.15mm=6.015cmᓽãäåḄæ¸6.015cm஺[2].çèÖéᘤḄ»ᦪêA븻ᦪ+&븻ᦪ+ì»
⚪Ḅ»ᦪ1.5mm+27.3x0.01mm=1.773mm.ᓽãäåíîL773mm஺[3].Rᵨ⊤Ḅ»ᦪᵯ(ḄïÖ56஺஺ফজ[4].ᵯ9᝞ᡠx஺

118RS7id2Rp=—=-------I4/89.Dbñᜧூ᪆௃ூᑖ᪆௃(1)᪷óᳮõö÷᝱ùúᑖ᪆஺(2)ûḄª᳛ü⊤ýþÿ
᪷⚪⊤Ḅᦪᑨ஺(3)ᜧḄᜧ
᝱Ḅᜧ
ᡠpVḄᜧ
!"#᳛%ᜧ஺ூ'(௃(1)[1]᪷pV=nRT,pVḄ*+
,-ᱥ/Ḅ0*+
ᙠ2
D3ᔠ⚪56ABC73ᔠ⚪56ᦑ⌱D஺(2)[2]V-,!":ᑗ"Ḅ#᳛?ḼḄ%ᜧpVA%ᜧ
ᑣ#᳛%ᜧ
aP3ᔠ⚪5
b73ᔠ⚪56ᦑ⌱a(3)[3]CDEFᵨᜧḄHIᘤᙠEDKLMN(PQ7)SEDTKL
᝱pVUᜧᜧ,WXḄV-'!YḄ#᳛Z:DEF["\ᑖḄ#᳛%ᜧ஺P90.^_ᵯaḄaA?PQḄᓣcd*+BDூ(᪆௃ூᑖ᪆௃ூ'(௃ᵫR-/!g=>
?ḼPQḄᓣc
^_ᵯaḄaA+;(2)ফẆk^_ᵯaḄឋ/◤⌕ᵯoᵯpḄᓄst
uvwaᘤḄᨬᜧA+
ᦑvwaᘤyᵨᑖz{|
^_ᵯaḄaA}~4>&,ᦑyᵨᵯp⊤Ḅᑁ{|*+
Kᱥ{᝞!ᡠ

119D;(3)ðñÀ½PᘤÝᵨḄᑖ^GÞ?h¥Lòᵯj?FóôjḄPõᨬᜧ?ᑣ÷ᔠdᐵøñᱏtaX;(4)[4]AB.û¦¤ëhm=|R6ᑣ_|¦¤ëh3D11100%RᐸᵫR-/ký=>ᙠþ⌲ÿᓣ
ḄᵯḄᳮᵯᵯᙠ⌲ᳮᵯᵯᜧᓽARᓄᜧ!6"ᩭ"ᜧᦑA┯B&';CD.ᙠ)Ḅ*+,-ᵨᵯ/⊤Ḅᑁ234567ᳮ8ᜧᦑ9*+ᓣ
ᑮ;<=ᵯᑣᵯ/⊤?@⌱ᵨ᜜23CDᦑC┯D&'஺ᦑFBD஺91.22023.919.75ூH᪆௃ூKH௃[1].ᵯLMNᡭPQRᘤT22ᙠ220VḄU/ᵯVWᓽX஺[2].᪷Z[\X]ᡭ,^_`PRaa◞/=l=0.02sf᪷ZcᵫefghijkNX]lmRn`Paoph--gt2=—x9.8xO.O22m=1.96mm«2mm஺22[3].᪷ZPRqḄras+v=^-=3.91m/scIT[4].᪷ZAx=g/X](8.02-7.63)xlO-2J…,2g=--------------/--------m/s-=9.75m/s2.0.02292.ᐜ2vᡭPQRᘤᵯV0.600.595ᙠᐕy{ᑁv@|}}~`ᳫhឤ

120ூ-᪆௃ூ0-௃(1)[1]ᡭP<|}R?ᐜ2vᡭPQRᘤḄᵯVlᙽ1»(2)[2]ᵨCDḄ6hᙽ1Ḅh஻0=?!%=m/s=2m/s°0.02x3ᡠPo=0.300x2kg-m/s=0.600kg-m/sᵨ=CDḄ6hᙽ1ᙽ2ḄhRᙽ1s+vi0.059,…
v.=---------m/s=0.983m/s10.02x3ᙽ2s+V2%=2"᮱ᔁ=3'0.700x10-3`ᙽᵨ=CDḄ6hᜧp-mv+mv=0.300x0.983kg-m/s+0.100x3kg-m/s-0.595kgm/s}y22(3)[4]ᑖ᪆=Ḅ6h|}XᑮḄᙠᐕy{ᑁv@|}}~`ᳫhឤ஺93.0.580.599.7ூ-᪆௃ூ0-௃ᒴsTghRaᑁaRqs+¡¢£ᙳs+¥x—XA0.8640—0.3840._,,v=6——=-------------------m/s=2.4m/s2T2x0.1h¦§¨¥I,AE=—(/«1+w)va0.58J6k2[2]CD©¦Ḅª¥AE=(m,—mjgh«0.59J6p(2)᪷Z«¬¦ឤ<¥12(m-m,)gh=—(/4+m)v~22:

121,2=2
஻2-¯°g/1±+ᱝ°´᳛¥k_2(
¶=E)g_13.58(m+?)1.40t·¥g«9.7m/s2o94.1.762150001.5xl04)xlOB8ᜧூ-᪆௃ூ0-௃(1)¸][2][3]»¼½ᘤḄ¾ᦪÀIg,GḄᦪᵯḄᑖ!ᡠ"ᜧ$ᑖ%ᵯᡠ2R2<4,ᓽRgvR66(2)[2]ᵫὶᵯ(ᑖᱯ*

12244_3xl801\——“c஺=20஺1=1330-3(3)[3]᪗ÂÃÄ⊤Ḅᦪ<16.0mAÆ
ᦋÈÉḄᵯ⊤Ê<ËQÌḄAËQ
ᦑᦋÈᵯp⊤Ḅ0Í<32mA6(4)[4]ÎÃÄ⊤ᦋÈᡂᵯp⊤◤⌕Ðὶᑖpᵯa
ÐὶᵯaaAÒ0Í<32mAÆ
ᑣᨵ3x10-3Ô3ÔR=--------^ߟ=—I32—3Õx10-329Ò0Í<30mAÆ
ᑣᨵ3x10qÔ3RkR=__________3—=_L30-3Õx10-32729ὶ×(W᝕==96.1.70060AE/4+RJ7£>2Ô0"Õ4஻4+ÔÕூ(᪆௃ூᑖ᪆௃(1)ᵫpÝÞßᵯaḄᨬᜧᵯpᜧàåæ(ÞßᵯaḄ⊤çzூ'(௃(1)᪷èéßêᘤëᦪìᑣ=>D=15mm+20.0x0.()1=1.700mm(2)íîïḄᵯa

123(3)ᵯä!᝞!ᡠ:ম᪷ãᔠᵯäôõö÷øù4&(Uf)(Wúû=ümpL4L᪷/?,=þ§=
:0=4ZJ«+Rjூ௃ᙠ⚪⌕ᦋ⊤Ḅ⌕ᵨᦋᵯ⊤ᩭ!⌕ᵨᦋḄ"ᦪᩭ⊤$%⚪&'⌕Ḅ(⊤)*᝞,(⌕-./0ᵯḄᐹ2ᦪḄ34ᵨ"ᦪᩭ⊤56'Ḅᵯ7.1101.1020ூᑖ᪆௃ூ9௃ᵯ6:᝞:;ফফ=.ᵯ>?ᦪ%R=lx100+1x10=110஺AᵯB⊤?ᦪ%U=1.10V

124বভম.ᵫᔠᵯ(0123ᨵE=q+4rE=U,+42&5ὶ67ᐭᦪ9:E=1.3Vr=20QqR°98.(1)+,9.0(2);ᜧ(3)8455ூ:᪆௃ூ?:௃(1)01⊤ḄᵯAB⊤CDEB⊤CFᵯG⊤Ḅ“+”KLMNOK01⊤ḄPᦪ9.0kC.(2)QRᵯ(ᔠSᐵS1UFVWXYᘤḄWᱏ\ᑮᨬ;_`aDᵯGbᵯcKᐭᵯ(R—5.UAḄᵯᨬᜧdeᵯG⊤ḄᑁUOUiUOU\.5(3)deᵯG⊤Ḅᑁg$ᵯcḄKᐭᵯ(Ḅᓽ8455c.99.ᡭ*ᘤ1.864iYூ:᪆௃ூᑖ᪆௃(1)jkFᐜKmᡭ*ᘤᵯnoKmᵯXpḄᵯnq(2)᪷9!_t:Luv᪷9!!t:wuvq(3)᪷9v=3r=,9Dxᔠyzᑨ|wuvḄYᓄ.ூ?:௃(1)jkFᐜKmᡭ*ᘤᵯnoKmᵯXpḄᵯnq(2)~XḄuvᜧ_:-%3.60,1஺!/!Ao-/-=:=D.-/O=18/wuv_5=7^/=6/(3)᪷9v=(or=,coD,Ev-Dyz*ḄLcoiY.

1251()().BᜧFn\OM+n^ONூ᪆௃ூ9௃(1)HIᐭKLᳫNOPQRSTUḄVWXYZ[\]^_&Ḅ(`ᐭKLᳫNOP4aVḄ\]bTHᦑBdeACD┯g஺ᦑ⌱B஺(2)021%i■kᐭKLᳫlmᐭKLᳫḄnQᜧFopLᳫḄn஺(3)031ᵫFLᳫrst]aVᑣ᪷wxyz{|}~LᳫrsaVAP%pᐭKLᳫsḄxᙳXYM%pᐭKLᳫḄXYN%popLᳫḄXYpᐭKLᳫḄ\]0PpᐭKLᳫḄ\]0M%popLᳫḄ\]ONᓃ=7᝞,"2H=mV+"2^21i3ᑣ⊤iᳫp'{ឤᓽOP=OM“ONᡂᓽ⊤p'{ឤ஺

126