漳州市名校新高考物理实验题大全100题含解析

《漳州市名校新高考物理实验题大全100题含解析》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。

[word᱐
௃᪥ὃᱥᳮ⚪ᜧᐰ100⚪⌱ὃᱥᳮ⚪100⚪ᫀᨵ᪆1.ᑭᵨaᡠᵯ3VḄᵯ⊤জḄᑁ"#ᑁ"ᦪᓟ&'()*+⌱,Ḅᘤᩞᨵ/ᵯ"0R#ᨬᜧ"39999.9஺()567"ᘤR#ᨬᜧ"350C,567"ᘤR2#ᨬᜧ"35kC,89ᵯ:E#ᵯ6;4V,ᑁ"<=(஺>ᐵ1@)ABCD஺ESa6EF᝞H/জᢥᵯJᳮaKLBMঝOᵯ"0"3P⁚0,O567"ᘤḄ5ᱏSᑮUaVᨬWXᡠYZḄ[\)]ᔠ>ᐵS
ঞP⁚567"ᘤ)`ᵯ⊤abMটdᢝ567"ᘤ5ᱏḄ[\f7)P⁚ᵯ"0"3)`ᵯ⊤Ḅᦪ2.00V,gHᵯ"0Ḅ"3஺hHᑡj⚪/পVZ⌱,567"ᘤ#m“Ri”ᡈ“R2”
ফ᪷qaᡠᵯObVᱥKBM#(
3EFটVgrḄᵯ"0"31500.0C,CsP⁚ᵯ"0t567"ᘤuḄᑖf7)wx*yᵯ⊤Ḅᑁ"஺#z{dᶇᑮ@[(M
4᝞{}ᵯ⊤~ᵫ@⊤ᜮᵯ"ὶ᪀ᡂḄ,*⊤ᜮḄaᵯ9#mᫀ᪗(»A.100NAB.250pAC.500>iAD.1mAூᫀ௃R]3000Dூ᪆௃ூᑖ᪆௃ூ௃
1[1].ᑭᵨbᵯ⊤Ḅᑁ")JᳮLᐭᵯ"0tᵯḄᵯ"=Ḅ<=)◤⌕567"ᘤ=ᵯ")ᦑ⌱Ri*=.

1(2)[2].ᘤᑖ"#$%&ᱥᵯ(᝞ᡠ+:ব[3].ᵯ"⊤ḄᑁR0R1ὶ$ᑖ"2.00V01.00V,ᑣ&=2R=30000.(4)[4].ᵯ"⊤Ḅ45ᵯ6U3V=1mAߟ3000Qᦑ⌱D.2.9:;ᙠ=>?@A"ᘤBஹDEᙌᵯ"GHᦪᐵKḄ஺MNᜓP
Q"ᘤஹRᵨᵯ⊤ஹTᐵ0UEVW஺(1)◤⌕Z[\]ᵯ^;A.`"a6ᵯ^B."a6ᵯ^C.`"b6ᵯ^D."b6ᵯ^(2)c:;defgᵯ(hij$ᐜlmBEᙌHᦪn$ᦋDEᙌHᦪpqlmDEᙌHᦪn$ᦋBEᙌHᦪ஺ᑖrstuvḄBஹDEᙌᵯ"w஺ᵫybᵯ6ᵯ"zᓄḄ$ᡠZ$ᡃ}▭sḄzᵯ"Ḅ—w(“ᨵᦔᡈ“ᨬᜧ”)஺ᐸRᵨᵯ⊤ᦪ᝞ᡠ+$ᵯ"⊤ᦪ;বᳮ"ᘤBஹDEᙌᵯ"vGᐸHᦪᡂ—(“””ᡈ“”)$ᵫy"ᘤḄ0UBEᙌGDEᙌḄᵯ"(“ᜧy”“y”ᡈ“y")BEᙌGDEᙌḄHᦪ஺ூ¢ᫀ௃Cᨵᦔ7.2ᜧyூ¤᪆௃ூᑖ᪆௃ூ¦¤௃

2(1)¢]¤¥¦7ᘤJஹ¨BᙌᵯUªᦪᐵ«)¬ᵨ®9ᵯ)¯¤°ᐰ²³¬ᵨ´ᵯ)ᡠµᵨ´®9ᵯ)ᦑ⌱C஺(1)[2]¶ᵨᵯ⊤Ḅ®9ᵯᨵᦔ3)f~ᨬᜧ3M¸¶ᵨᵯ⊤⌱ᵨḄ᫏[~®9ᵯḄ10V᫏[)ᡠµZᙠ0~10V᫏[»ᦪ)ᡠµ»ᦪZ~7.2V
U.n.(4)[4]᪷q¼=¾•*À)ᳮÁ7ᘤJஹ¨BᙌᵯZUᐸªᦪᡂÃ஺Un22U.ஹn,মVᵫÅ7ᘤḄÆÇÈÇAɨBᙌḄᵯU2=)ᡠµAÉ7TL>,)ᦑmᜧÅ஺3.ᐶÌ=Íᵨ᝞ᡠḄÎᩭÐᴻḄᢚÓ᳛)Õᩭᑗ☢ᳫḄÙÚÐᴻẈÜᐝÞßᘤ஺CÜᐝᚖ8á☢âã஺äÓᔣÐᴻẈ)ᑣᐝBçḼÓéMCOÜᐝÞßᘤᔣWS6)ãMäᚖ8á☢ÓᔣÐᴻẈ)ᐝBOçḼ᝞ᡠḄêᔣãNäÓé)CÁë}ÐᴻẈḄᢚÓ᳛)◤⌕ìíµHîï/(a)ÐᴻẈḄâ/.(b)ᐭÓðᵨḄ/,ᢚÓðñḄ/஺(c)ÐᴻẈḄᢚÓ᳛wx⊤òó/o(d)OÜᐝôõöᔣWS6ᑮAä)÷øùfᑮéÓᐝB)ᑣúûð஺ᓽýÅV஺ூᫀ௃00'êᔣᙠþÿ
஺ஹNQVON,ᐭᐝONḄᜳ§¨siᱥ4ONᐝḄᜳ஻ZABOs1ᔣIூ᪆௃ூ௃[1].ᐝᚖ!"☢ᐭ$%&'ᔣ)*+ᦋ-ᦑ/஺ᚖ0☢ᔣ1ᴻẈḄᐝ4500''ᔣ஺(a)[2].67N,ON,ONᓽ9:஺(b)[3][4].QVᓽ;ᐭᐝONᜳᐭὡᐝQVᜳᢚ>஺(c)[5].ᵫᢚ᳛ABC

3sin&n=------sin஺](d)[6].ªᐝE¬Aᐭ¯ា±²³ᐰ¯$ᓽNABOyµ¶·஺4.᝞ᵬᡠ+z]ẆAºᳫḄ¼½0"¾Ḅᓄ¿ÀḄÁÂ஺úᳫஹ"¾ÄÅᘤ0ᜧÆǯᘤᵨTÆÈ%É஺ÊËdºᳫᑁh̺$ǯᘤᑁº¼¼½Í$"¾P஺$TÆÈGÄÅᘤᑁκ¼¼½
ÏᶍnÑ஺Ò᠒Ôǯᘤ,(1)cÁÂ
ᵨym_____×À஺ᑏº¼×ÀÙ)2ফÃǯᘤᑁº¼ÛᑖÔᐭºᳫ$tǯᘤᑁᒕݺ¼Ḅ¼½§ß,"¾ÄÅᘤᦪà$ᑣºᳫ¼½஺(3)áâÔãä$Råæǯᘤᑁᒕݺ¼Ḅ¼½çèvḄ"¾$ÑétèvḄºᳫ¼½$êᑮ᝞ìᡠ+Ḅ“ºᳫ¼½0"¾''ᐵK஺᪷ïcðñépVÊËǯᘤᑁòᨵ¼½0.5%ஹ"¾p஺Ḅº¼஺ªº¼ᐰÛ"ᐭºᳫj$ºᳫᑁº¼Ḅ"¾ÃP஺஺(lᶇ3ôᦪ)ூ¢ᫀ௃õöὡøù1.027ூ¤᪆௃ூᑖ᪆௃ூ¦¤௃ᵨDISẆAᙠúûn$º¼Ḅ"¾üúûḄᓄýþ$ᡠZcÁÂ
ᵨymõöὡ×À;(2)[2]Ãǯᘤᑁº¼ÛᑖÔᐭºᳫ$"¾ÄÅᘤᦪpi,᪷ïõöὡ×ÀêpPM=PoVoᡠZX=ÿ%Pl

42DE$FᘤᑁᒕJKLḄLM§ᓃᡠQ$KᳫLMᓃ_2%=TUᜐ.(3)[3]ᵫ⚪YCZ[\$Fᘤᑁ]ᨵLM0.5%ஹ_`poḄKLKLᐰb_ᐭKᳫcKᳫḄ_`[\$FᘤᑁᨵLMdஹ_`poḄKLeḄ;KL_ᐭKᳫgᔠ⚪eijYCᒕJḄKLḄLMkᙠ0.5%mn_`ᶍᜧqp஺ᡠQᒕJḄKLḄLMᶍrq0.5V஺஺ᵫiYQD_`k1.027pooூs௃tuvwvxឋuv⌕{ᑴuvᩩ~Euv⌕{ᑴᩩ~UwFᘤᑁKLḄ!UwKLḄUᵨ1ὡᑡBᑖ᪆஺᜜⌕F'BḄᓄᓽYQ4[\$Fᘤᑁ]ᨵLM0.5V஺ஹ_`poḄKLKLᐰb_ᐭKᳫ[\$FᘤᑁᨵLMV஺ஹ_`poḄKLeḄ,KL_ᐭKᳫwᦔḄ஺25.ᵨi┴Ḅ!ᙠᑖ¡ᢞ┴£nᙽ!ᙳmoḄ¦ᱏ┴¨©ªU«ᐝᱏ¦¬®ᨵᐝᵯ°஺±᦮┴Ḅ³´ᐸ/〉Ḅ·ᵫ☟¹º\¨»D«ᐝᱏ¼½ᐝᵯ°Ḅᢱᐝ$¿to
/mÀÁ¨1ᙽ¦ᱏÃᑮn┴Å┴ÆÁÇ/ÈU·ᵫ☟¹º\¨»É$ᘤ67Ḅᢱᐝ$¿ᑖ¡tl,t2…ÉÊt2?…পᢱᐝ$¿to$┴ḄÌÍao/m¨iᙽ¦ᱏqn┴$ÎÏḄᢱᐝ$¿ti,a.┴ḄÌÍai,ᑣ,=(gÓᵨto£ti⊤)(2)Ö×-iḄiwUᩩḄÙ᳛k,ᑣ┴Ḅ!M=%…ஹA2+nkூÚᫀ௃-T——m0t,kூ᪆௃ூᑖ᪆௃ூ௃«ᐝᱏܽᐝᵯ°$ḄÍ

5┴Ḅᒴᵫv2=2ah,v/=2a/zno᦮ᳮ,2q=t஺?a஺£ফফᵫ#$%&'(Mg--M+nm^aOM+ÝÝog—Þ஻Ui
mg=M+஻/ßq᦮ᳮ×=l+2/g—,•«oMg-nmgnᑣ*-i+,Ḅ-᳛%-2mogkMg-nmg[}/àÞ2+ᡂ஻%k6.0ᩭᙠ3045ᳫ7ᵨ᝞+ᵬᡠ<=>Ẇ@ABḄC(஺EFOGHIPFᜐᨵLAM>ḄNOᵯOQRE᤮TᵯOQᜐUVW᧕YZ[\ᳫᵫ]^ឋᔣabcABde\ᳫfᵨ⚣hᦪṹklmno᤬ᙠᨵᙶ᪗sḄtuvaoHw\ᳫᙠABxyzḄ{|᯿ᱏᔠᡂ᯿ᱏ᝞+ᡠ<aஹbஹcஹdmnoHḄ\ᳫ>4᯿klmno᯿ḄU◞0.10s,᯿ᱏᜧ\᝞+zᙶ᪗ᡠ<4᯿ᱏḄ▭tuvḄ14,|পᵫ74aF“”ᡈ“”¡\ᳫḄBcFফᵫ7¢£c5ᳫ⊤☢Ḅ¦m/s2বᵫ7£c\ᳫABḄᜧ\m/s;ভᵫ7£c\ᳫᙠbFUḄᜧ\m/s.

6248x/cm40ூªᫀ௃8,0.8,ூ/᪆௃ூ®/௃
1¯]±²Iᔣ7k³UᑁḄ135,µᔠḄᒴ¶ᱯF±¸4aFḄ²ᑖaF\ᳫḄBcF஺2[2]ᵫ᯿ᱏḄ▭tuvḄ14+zGIºḄ»l=4cm,²Iᔣ7ᨵ:y=2L=g'T2/:2L_2X4>10-2g=8m/s2-—0.123[3]LAIᔣ\ᳫᒴ±¸\ᳫABḄ:2/2x4x10-2%-=0.8m/s-—OJ4[4]bF²Iᔣ7Ḅᑖ4L0.16m/s=0.8m/s2T~7k2ᡠ:v-J*+vj,-0.8y/2m/s=~~~rn/sb7.½¾¿wÀÁᵯÂḄᵯÃÄᑁÅ᪷ÇᐗÉḄ¾ᑖÊËÌwHÍξḄᵯÏ஺

7ÐÑÒÓḄᘤᩞᨵÖÍ3k¾Ḅ×ÀᵯÂE,ØÙᵯÂE'ᵯÅÚbஹ&,ܶÅᘤRஹRᵯÝ⊤V,ᵯÞ⊤AᮣàᵯÞÌG,Í3áᐵ3ஹS2Oã⌕Ðåæ᝞HÖজᢥ+méêᵯÏëᔠáᐵ5ÄS2,ìíîï⁚R|ÄñᡈὅܶÅᘤRஹR'óᵯÞÌGḄ<ᦪ0,ôcᵯÞ⊤AஹᵯÝ⊤V<ᦪᑖÊõஹ5஺ঝíîï⁚ᵯÅÚÄR2ÞজzḄᵯÅø¾¡ᡈὅܶÅᘤRஹR',óᵯÞÌGḄ<ᦪì0,ôcᵯÞ⊤AஹᵯÝ⊤VḄ<ᦪᑖÊ2ஹ஺2஺ùªHᑡû⚪ÖপýᝅIᫀÿ᧕ᑮ“ᵬ”ᡈ"2
ᵯḄᵯEḄ⊤,ᑁo3
Ꮤᯠ#$%&Ḅ'()ὃ⇋ᵯ,ஹᵯ.⊤ᑁ)/ᳮ1ᑖ᪆4)E56“ᜧ8""98'’ᡈ“<8“=4,ᝍ“ᜧ8”“98”ᡈ“<8”=?஺ூBᫀ௃ᵬ-2r=,
<8<8ூ%᪆௃ூ(%௃ᵬᵯEḄFGᨵIJᱯLMNஹOIJᵯPḄEQᵯ.R<)SEᵯ,RT)ᵯU4VWGXᦪZᵯE[\〉ᔠ6_`a)◤⌕de[fᦪg)hi◤⌕jkᜐᳮᦪgm4Vᑮ1)Tn᝱pdeᦪg)᪷grᔠᵯEstuvᑡxyᵯḄᵯEzᑁ{)ᵬᵯE[|ᓫ஺ফফ[3]᪷grᔠᵯEstuvE=U+IrttE=U+/“yã-/åUU]Lli-./U…12Tl3
[4][5]~ᵯ,GḄᦪ0)RTᵯ)ᵯ,R

88.kᵬ=|kḄ)ᵫ6᪷Ḅz9Ḅᡂ஺~᤮)ᧅḄᙳᒴ,)Tᒴ¡p¢Ḅᩈ¤)Ḅᙠ¤¦§¨ᡂ6ᩩª)«ᩩª4Vᳮy᤮Ḅ¬k஺k=T6JᑖᙠIᙽᩈ¤¦¨ᡂḄªkḄ¯⊤=஺
1k=ḄPᜐᚮ±Ḅ²Qᜐ⌱“f”ஹ“´”ᡈ“6᪵f
2/5¶·¸k=OB=OBᩈ¤1Ḅ¹ºvi=3m/s,ᑣᩈ¤2Ḅ¹ºூBᫀ௃f4m/sூy᪆௃ூ¼y௃
1[1]ᙠk=Ḅ஺ᜐ)᤮Ḅºᨬ9)ᙠ஺ᜐ)᤮Ḅºᨬᜧ)ᡠVᚮ±Ḅ²QᜐfZ2[2]᪷gᓫ᤮ᕜÀÁ:7ÃᙠT6ᙢL)i᤮RT)ᑣᕜÀRT)ÅT,0BÆ/ᔊḄPMt=2T[O'B'Æ/ᔊḄPMt=1.57'2ŤL,È!It=—=2Ttᓃt=—=1.5T2²4M4-=4m/so9.Ë5¶ᩈᙽÌᩈ¤P᥅Î%ᦪÏ9ÐᵨѹÒÓᘤÅË᝞kᡠḄ)Öᩈᙽ×ØÙᩈ¤¦ALᵫ☟ÛÜÝ)ѹÒÓᘤ4V5ᩈᙽᑮÒÓᘤḄÞß஺ѹÒÓᘤFGàá)âã

9ᙽ%æᘤḄçèSé$¿t-ᓄêÂg=10m/s2,01137஺=0.6,᝞iᡠ:প᪷îïiÉÊYðᩈᙽᙠ0.4s$ḄÍᜧrò=()m/s
ফ᪷îïiÉÊYðᩈᙽḄÌÍᜧra=()m/s2
(3)óðÙ☢ô37஺õö=()o(ᡠᨵgÓᙳ÷ᶇ2·rᦪ)ூÚᫀ௃0.401.000.63ூ᪆௃ூᑖ᪆௃ூ௃(1)úûᩈᙽᙠÙ☢üᒴÌÍþÿ
ᑁḄᙳ
ᑁ
Ḅ
ᑣᩈᙽᙠ0.4s
Ḅᜧ(30-14)xl0-2/smv==0.40m/s0.6-0.2(2)2ᩈᙽᙠ0.2s
Ḅᜧ,(32—24)x10-2v=-------------------m/s=0.20m/s0.4-0ᩈᙽḄᜧ0.4—0.2m/s2=1.00m/s20.4-0.2(3)ব☢37஺ᑣᩈᙽᑖ᪆ᵫ$%&'()*+zngsin37°-஻)"gcos37°a=----------------------------m,+஻=*a0.63810.᝞/ᵬᡠ23456ᵨᵯ⊤Ḅ:ᓄᵯᡂ@ᑡB⚪஺

10/ᵬ/E/F(1)5¶W,ᵯ,ஹW,ᵯ.zᵯᔜᨵIJ¶æ஺~⌱çèᐵSêᑮÑ5ஹ6)ᵯ⊤ᵨᩭ5¶(⌱“W,ᵯ,”ஹ“W,ᵯ.”ᡈ“ᵯ”)஺(2)ÏTîᵨfᵨ⊤5¶ÏᵯîᐗðḄᵯ)⌱ᵨ“xlO”ñ᳛Ḅstᢱ5¶)·¸fᵨ⊤ᢣ┐ö÷ø9)%◤⌱ç(“xl”ᡈ“xlOO”)ñ᳛Ḅstᢱ஺(3)Ï9ᑭᵨpᑡᘤᩞẆüstᢱTñ᳛Ḅýᳮ)᝞kஹþᡠḄ|᧕st⊤஺ᘤᩞ᝞pMA.Sᵯÿ(ᵯE3.0V,ᑁr)B.ᵯG(300HA,ᑁ99Q)
C.ᵯᘤR
D.ᵯRo=4C
E.⊤ᔜ஺জ᝞"#ᡠ%⊤&'100J1A()*+Ḅᵯ()-Cঝ᝞12Ro3ᵯ4ὶ᝞"6ᡠ%789:;<⊤ᣚᢱᣚᢱ?ஹAB᳛DEoூGᫀ௃JᵯKxlOO200001001ூL᪆௃ூNL௃ᵫ"ᡠ%P9QᣚRᐵSTᑮVW5ஹ6X⊤ᜮG3ᵯZὶ[Xᵨᩭ^Jᵯ_஺(2)[2]^`ᵯaᐗcḄᵯ⌱ᵨ“x10”B᳛Ḅᵯᢱ^efgᵨ⊤ᢣ┐jQklm^nᜧ,qrᡠ⌱ᢱVsltu^ᵯ◤⌱w“X100”B᳛Ḅᵯᢱxy;

113s=+L/?=2X104Qᡠ⊤&'lOOfiA()*+Ḅᵯ()-2x10"C=20000C஺ঝ[4]9ᵯjX&Ḅᵯ/=99/gᵯᑁ99஺ᵯ4ὶ1஺Ḅᵯ᪷4ὶᑖḄPᵯ⊤᡽ᜧ100Bᵨᵯ⊤ᦋᡂ;<⊤()*+ḄᵯᩭḄᩈ;<⊤ᣚᢱ?ஹAB᳛DE~:100:1஺11.ᙠẆ“¢£l¤¥Ḅ¦§ᱯឋª”Ḅ¬}®¯ᨵ°ᘤᩞA.ᵯ_⊤Vi(0-5V)B.ᵯ_⊤V2(015V)C.ᵯ⊤Ai(050mA)D.ᵯ⊤A2(0500mA)E.²ᘤRi(0-60Q)F.²ᘤR(02kC)2G.JᵯKEH.RᐵS³I.l¤¥(U«=5V)`´aµ¶·ᵯ¸A¹ᔠᵯ»2²ᘤ²ᱏ½¾¿ᑮÀ᜜¾¿}efl¤ÂÃÄÅÆÇg´l¤È¾ᵯ_UÉÊl¤ḄᵯIᦪ(ᒹ̲ᱏᜐ:ÈξÏXUஹIᦪ)᪷ÆÇḄᐰᦪÑÒḄu-IᐵÓ"Ô᝞"ᵬᡠ%ᵬE(1)᪷¬Ö1ᙠ"#×᪾ᑁÙÒ´aḄ¬ᵯ¸";(2)᪷¬Ö1ᑨÜÒ¬}⌱ᵨᵯ_⊤_(⌱Þᘤᩞßà"A”ᡈ"B”)ᵯ⊤_(⌱Þᘤᩞßà“C”ᡈ"D”)²ᘤ—(⌱Þᘤᩞßà"E”ᡈ"F”)
(3)᪷"ᵬãäÒᘤᩞG}ḄJᵯKᵯ_V,ᑁC

12(4)2ÈÎåàl¤¥ZὶAJ¶3ᘤᩞG}ḄJᵯKE8µᑣæÎl¤çὑḄ¬▭ê᳛_W஺ூGᫀ௃"LBDE8100.564⌕ᓃ—ூL᪆௃ூNL௃(I)[1]½"ᵬP2²ᘤ²ᱏ½¾¿ᑮÀ᜜¾}ᵯ⊤Ḅ%ᦪ-½0RìḄí[²ᘤîᵨḄ-ᑖ_¶ïð-▲¶ï½"ᵬPl¤¥Ḅᵯ10஺ò30Q,nlí[ᵯ⊤îᵨ᜜¶ïóÒḄ¬ᵯ¸"᝞"ᡠ%I-RL—yiy—(2)[2][3][4]½"ᵬPÆÇḄᐰᦪ}l¤È¾ᵯ_Uᨬᜧ6V,í[ᵯ_⊤Ḅ◤⌕⌱w15V,ᦑᵯ_⊤⌱B
Êl¤ḄᵯIᨬᜧ0.2A=200mA,ᦑᵯ⊤Ḅ◤⌕⌱w500mA,ᦑᵯ⊤⌱D
ᵯ¸îᵨ²ᘤ▲¶ï÷ø:¬ùó²ᘤ+⌱lḄᦑ²ᘤ⌱E
(3)[5][6]½"ᵬP9²ᘤ¶ᐭᵯ0Xl¤È¾ᵯ_Uiᨬᜧ6V,Êl¤ḄᵯLᨬᜧ0.2A,ᑣ[Xl¤ᵯ%R=y-=30QLᵫ¹ᔠᵯ¸;<ᨵ,E9²ᘤ¶ᐭᵯR2=60CXl¤È¾ᵯ_U2ᨬlIV,Êl¤ḄᵯLᨬl0.1A,ᑣ[Xl¤ᵯU,RL=L=10Q'2ᵫ¹ᔠᵯ¸;<ᨵ

13E&+/?£+rLᵯKᵯE=8V,ᑁr=10Q
4[7]2ÈÎåàl¤¥ZὶAJ¶3ᘤᩞG}ḄJᵯKE8µ᪷¹ᔠᵯ¸;<ᨵE=2U+IrLU=4-51"}ûÏI=018A,U=3.1V,ᓽÊæΤ¥Ḅᵯ0.18A,æΤ¥Ḅᵯ_3.1V,ᦑæÎl¤çὑḄ¬▭ê᳛P=0.18Ax3.1V=0.56Wýᵫ:ûÏþᦪÿᙠ
ᙠ0.55W0.59Wᑁᙳ12.ᱥḄᐵ᝞!ᡠ#Ḅ$%&'஺ᑖ*mi+m2Ḅ,-./ᵨ1ᩩ34Ḅ56789:;<ᩭ>ᱥḄmo,?ᶍ9:Ḅ+ᔜB᥅DE,/FG☟IJKLMFNI,-./OPḄQRᜧ.ᑖ*XI+X2஺QIQ2
D᝞TU%V./Ḅ+ᡂXYZ◤%V⊤]^___________ᡂ`஺aᵨ⚪cᡠdᱥᳮ⊤#ফ$%cag“◤⌕”ᡈ“l◤⌕”mn>ᱥḄo.p./Ḅ஺ூrᫀ௃uv=232l◤⌕ூx᪆௃ூzx௃᪷|LM}^X=,஺~ᵬஹ,/LMḄY2

14⌕%V“ᙠ᜜1ḄᩩᱥḄᐸᡂXY”Ḅᑣmnq:4=m2:m\S[s22ᓽ^=2s2ᡂ`ᑣ“ᙠ᜜1ḄᩩᱥḄᐸᡂXY”(2)ফ᪷|$%&'ᵬஹ,/ᡠḄᔠ᜜ᵬஹ,/LMḄF᪷|LM}^X=—஺/ᵬஹ,/LMḄYpᵬஹ,/LMḄQRYᡠZ⌕¡ᵬஹ,/2Ḅ+LMḄQR¢%V“ᙠ᜜1ḄᩩᱥḄᐸᡂXY”Ḅᦑl◤⌕mn¤ṹḄo.p¦1./Ḅ஺13.ᙠ1§¨ᵯªRxª¨Ḅᑖ«$%cᵬஹ,«ᑖ*¬᝞$%8®¯(1)ᵬ«⌱ᘤᩞ᝞¯9M³ªᘤRA(0-500Q,100mA)
9M³ªᘤRB(0~5C,2A)
ᵯ´⊤A(0-0.6A,ᑁªµ2஺0~3Aஹᑁªµ0.5஺)ᵯ·⊤V(0~3Vஹᑁªµ1.5kC
0-15V,ᑁªµ7.5kC)
ᵯ¸E(ᵯMº3V)
JᐵS,»¼½¾஺জÀpÁ⁚+9M³ªᘤÃᵨᑖ·ÄÅÆ⌱Ç(⌱g“RA”ᡈ“RB”);ঝÉ᪷|Ê$%ᘤᩞᙠ!ᵬcË$ᱥᵯÌ;ÄÍ᦮______________;ঞᢥÊÒÓRஹ—Rx*(gᡈ"v")஺(2)«⌱ᘤᩞ᝞¯ᵯ·⊤V(0-3V)
9M³ªᘤRc(10஺1A)
ᵯªÖRo(0~999.99C)
ᵯ¸E(ᵯMº3V)
JᐵS஺

15RMNR——-ESh!É᪷|«ḄᵯÌ!+Ê$%ᘤᩞᙠMNᜐᐜÄ,ᢥ1ḄÚÛÒÓÜÝÞ⊤ḄßᦪᣚÄ,âãÒÓÜ¡RxḄª¨½ᙠMNᜐäᣚᘤᩞFl.åË9M³ªᘤḄ9ᱏPᔣèR1éTË(g“³ᜧ”ஹ“³.”ᡈ“l³(3)Yêᵬ,«T«äÄë$¨(g“ᵬ”ᡈ"ூrᫀ௃RB

16(1)ᐙᵯ,ᡂ#ᵯᘤ.᩽/0Ḅᵯ1________(⌱5“ᜧ”“9”ᡈ“;”)ᵯᵯᵯᘤᡠ>ᵯ₹@cA(2)᝞CᡠDᐙᵯ,ᡂ#EᵯFGH)ஹ$⊤%Iᣚᓽ$⊤%&ᵯᘤ*᩽)⊤%&ᵯᘤ'᩽LMᵯNOᜧPQᵯN⊤@RᐸTUV஺SSRᵬEூYᫀ௃91.5,\0]^ᵯᘤᵯ_`ᵨᵯ⊤ᑁaᵯbὶூ᪆௃ூᑖ᪆௃ூf௃(1)[2][3]ᵯᘤᐙᵯ,ᡂ#ᵯᘤ.᩽/0Ḅᵯ19ᵯᵯ஺ᵫhijkQ=EC=1.5xl(T3c(2)[4])ஹ$⊤%Iᣚ#ᵯᘤlᵯ_`ᵨᵯ⊤ᑁaᵯbὶmḄᵯnᜧᵯᵯNnᜧ஺15.op᪥ᙠsᜓpu“v@ᵯwḄᵯ᳛”^yz{ᔁ⊤☢ᨵOↈḄᔠwẆឋp;pQḄᩭvᔠwḄᵯ᳛஺(1);opᐜ{;ᔠwᯠ#QvᔠwḄᵯ᪷᳛ὁ¡¢£Ḅᘤᩞ¥¦ᡂ{᝞ᵬᡠDḄᱥ¨©¦&ᵯN⊤ªᵨḄV(5“ᑁ&”ᡈ“᜜&”)¬nᘤªᵨḄV(5“ᑖ1i”ᡈ“▲Ni”)A^vkᔠwḄ0.300m,ᙠvᔠw®¯^°±v²ᘤḄv@³´᝞CᡠDᑣᔠwḄ®¯mm஺ᵬ(2)QRᵯ1⊤V`ᵯN⊤AḄv@³´¶·ᙠ¸ḄU-I¹º»ᵫU-I¹jkᔠwḄᵯC;ᵫᵯ¾j»ᔠwḄᵯ᳛(¿ᶇÁÂᨵᦔᦪÅ)஺

17UN063LOL5//AF(3);Æpᵨᵨᵯ⊤v᦮ᔁᔠwḄᵯÈÉQRᑖÊËÁÌÍΨজH)$⊤%ᑖÐÑᐭᵨᵯ⊤Ḅ“+”“ÑÔ¨⌱Õᵯᢱ“X100
ঝᯠ#H.⊤%×&!᦮“!"±Ø”zÙ!"AঞÛ)$⊤%ᑖÐ`ᔠwḄ.ÜÝ&ᵨᵯ⊤ḄDᦪ᝞ÞᡠD©ᔠwḄᵯß(4)᪷ᵨᵯ⊤vkḄᔠwᵯàáᔠwḄâjã»ᔠwḄßm,(³´¿ᶇ᦮ᦪ)ூYᫀ௃᜜&▲Ni0.6803.0()3.63xl()-61400140ூ᪆௃ூᑖ᪆௃ூf௃᪷ᱥ¦&ᑖ᪆j䩦&ᵯN⊤ªᵨḄVᑁ&ফ¬nᘤªᵨḄV▲Ni[3]°±v²ᘤḄæçèᦪ0.5mm,jçèᦪ0.01xl8.()=0.180mm,ᡠÊᨬêèᦪ0.5+0.180mm=0.680mm
(2)[4]ᵫU-/¹¾jk©;ᔠwḄᵯU2.70-0RQ=3.00Q0.90-0মᔠwḄì☢í5=T2᪷ᵯ¾A=îj»ᔠwḄᵯ᳛3஺=ᗔ=VWXY*3.63.0বঞ[6]⊤⌱ÕxlOOᢱᵫᵬᡠDjäᵨᵯ⊤Ḅ⊤ïèᦪ14,©ᔠwḄᵯß14x1000=1400஺

18(4)[7]᪷ᵯ¾A=ðjäñò9ᵯñòᓽᨵ1400_L'3.00-0.300ᡠÊᔠwḄr=140m16.vkoᙊôõö÷Ḅᵯ᳛op{᝞Ë஺(1)ᵨ°±v²ᘤvøḄ®¯᝞ᵬᡠDmm,ᵨù᪗ᓱüvøḄ᝞CᡠD,zt15234cm10,1IIIill.IllI\11.illIIIII11ττ11ττ1l|111l|rlIIIit501020/ᵬ/E(2)ᵨþÿ
Ḅᱯឋ᝞ᡠᑣᩞᧇḄᵯ᳛ᨵᐵᵯ᳛!ᱥᳮ$Ḅ%ᜧ'()“%ᜧ”ᡈ“-.(3)/01234.0஺Ḅ52ᵯ6ὶ89ᙠᵯ;ᵯ<=33.0Vஹᑁ31.0QḄᵯ;@A,ḄCD᳛3W஺(Eᶇ@GᨵᦔᦪJ)ூMᫀ௃0.6002.060PQ%ᜧ0.45ூR᪆௃ூTR௃(1)[1].UV
WᘤḄYᦪᵫ[5\Q]^<\Q@_ᑖaᡂcd3d=0.5mm+10.0x0.01mm=0.600mm[2].e᪗ᓱhḄYᦪᵫ[5\Q]e᪗hiḄYᦪ@_ᑖaᡂjQ3L=20mm+12x0.05mm=20.60mm=2.060cm(2)[3][4].ᵫ^klPQᓣnᵯ%ᜧᵯ᳛%ᜧoব[5].ᵯ;4.0஺Ḅ52ᵯ6ὶaᡂpᦔᵯ;ᨵU=E-I(R+r)=3.0-(4.0+1.0)1=3-51

19ᙠqrᱯឋstlᵯ;ḄU-Iu@uḄvwᙶ᪗23yU=1.5V,I=0.3AqrD᳛3P=UI=1.5Vx0.3A=0.45W17.z{|}ᑭᵨ@⁚ᵯ
51ᙳᒴḄᵯᵯ᳛p,᝞ᵬᡠḄᵯ஺ab1ᵯ᳛ᜧḄᙳᒴḄᵯR஺232஺ḄEᵯᵯᜳPᵯ9(9ᵯᶍ)஺ᵬ(1){|9ᡂ᝞ᵬᡠᵯ.ᢣlsᘤᩞ9¡ᙠḄ¢⚪(2)¤¥ᔠ§ᐵ¨⁚PḄG©ªaPjQx]«¬ḄᵯUஹᵯ®IḄᦪ¯°±᝞²⊤:x/m0.600.500.400.300.200.10U/V2.182.102.001.941.721.48I/A0.280.310.330.380.430.49U—/£27.796.776.065.104.003.02I

20জ=[᪷]⊤ᦪ]ᙠ/E_`abcdeXᐵg/chi4jঝ᪷]l+Ḅmn*op+ᵯqrḄst☢uS=1.2xl0-7m2,ᑭᵨ/E/c*w+ᵯqrḄᵯq᳛p12m
᪷]/EḄ/c*wyᵯz⊤ᑁq—C;i}ᶇᨵᦔᦪjঞᳮ_ᵨᵯ

21,p7.8-2.0K——=-----=11.3S0.6Rp=l.3x10-6஺.mᵫµ^¶·x=0¤¸=2.0஺^¶ᵯ®⊤ᑁ32.0C
ঞ[5].ᵫ¹iᑖ᪆^¶ᵯ®⊤ᑁ«cḄº᳛»¼½ᑣᳮ¾iᵨ¿ᵯ
Ḅᵯ᳛ᐸÁ2ÂÃÂ{஺18.z.aᑭᵨ᝞ᵬᡠḄÄ©
$·ᙢḄÆÇÈÉQ஺(1)3Ê
$ËÌÍ$.²ᑡÏsÐÑḄ;A.aÄᓫ᤮Õ⌱ᵨ×Q]cdØ.Ḅ᤮ᳫB.aÄᓫ᤮Õ⌱ᵨÚ᧕ÜjḄC.¤ÕÊ᤮ᳫᙠ{1Ýc☢ᑁ᤮

22ᵫ8$21600/t=---------Lgᵫ9:8;<$g=9.80m/s219.᝞9,ᵨ>?@ABᐝḄDḄEᜓᱥ9஺H┯IᐝJKᱏ/ঝᩚ_.RSTt(1)>?Uᙠ9VWXYZ_______(\“জ”ᡈ"ঝ”)஺(2)⌕ᓫ?d>?efghijᵨ_______khl⁚஺(3)n;>?ᑮpqᴻstḄuv,L,>?stḄuv,d,ᓫ?ᑮ>?stḄuv,s,ᙠwxV,ᐜ{|}VḄV~wᩩ(1ᩩ)ḄV~Ḅᦪ3XI,"V~7ᩩḄV~Ḅᦪ3X7஺ᵫ8xVᡠB$Ḅᓫ⁐ᐝḄD3ூᫀ௃ঝᩚª«)”ூ<᪆௃ூ<௃e@ᐝ⚣᳛eᡠ>?ijUᙠঝYZ
(2)ফe@ᐝ3ᓫ⁐ᐝ¡"¢ᔣeᡠ⌕¤¥ᓫ?¦>?gh◤⌕¨©ᩚl⁚
(3)[3]᪷«e¬ᩩ®ᩩᡈὅᨩᩩstḄuv±²Ax=ᑁᐭ8;6$

23´pµ¶/6L20.ᙠ·“ᵨᓫ᤮B¸¹º»¼½”Ḅ&¾V¿
11ÀÁᵨÂ᪗ᓱÅB$᤮ᳫḄ2᝞9ᡠᑣ᤮ᳫ2d=cm஺234cm11IIIII111Jl,l11III11IIII01020
21ÆÁᓾ1~ÈBÉ1ᳫḄÊ2ËBÉÌx᤮dᕜ6xB$Í3L”i¡"ᕜ63TI
ÎxB$Í3L2,iᓫ᤮Ḅ¡"ᕜ63T2,᪷«BÉᦪ«Ï8йº»¼½Ḅ⊤Ò²3஺ூᫀ௃2.030g=4h”?jூ%᪆௃ூ(%௃Â᪗ᓱÅḄÓÅÔᦪ320mm,Â᪗ÅÔᦪ30.05x6mm=0.30mm,ᑣ᤮ᳫḄ2d=20.30mm=2.030cm
2ফE1ᳫḄÊ23r,᪷«ᓫ᤮Ḅᕜ6±²$Ti=2nὶÖ¢¾<$,4ᐔ2
Ø_4"T\-T^21.ᙠᨵÚqᴻJḄV~Û¸Ü╄Þßàáᙠâᨵ〉ÉäᩭæḄ┤è᫜ßàêëìᙠæV˦᫜Ḅí☢dî☢ïð஺╄Þßà3ñ᩽è᫜3᩽ᑴᡂXäᩭæᵯö஺3BÉjᵯöḄᵯ"÷dᑁᵯøwÁEÌ9aḄᵯùkh஺ᵨᘤᩞÓ⌕ᨵXeḄüý⊤GIஹG2200lA,fḄᵯRiஹR2ᙳ9999.9஺஺᝞ᡂḄ!
1"⁚ᵯRiḄ$⌱“8888.8”ᡈ“0000.0”஺"⁚R2Ḅ$2545.0Q,(ᔠ*ᐵS

24ফ}ᢝR2Ḅ²³´⁚Ri,¶Ri=6000.0஺
GiḄ2ᦪ123.0pA,G2Ḅ2ᦪ82.0pA,ᑣ·¸⊤Ḅᑁq____________(3)}ᢝR2Ḅ²³6º´⁚RiḄ»¼5·¸⊤Ḅ2ᦪ᝞@⊤ᡠ2RG1ᦪ/"¾\88.094.2104.2112.8123.0136.0G?ᦪ4/ᜐ115.8110.0100.492.282.070.0ᙠ/bÁᡠÂᦪ]a⊡ᐙ>᦮dy12-11/c;()Rib(4)᪷]/c*w+ᵯÇḄᑁqr=Q,ᵯÈÉE=V.(ÊË}ᶇᨵᦔᦪ)ூᫀ௃8888.8455.02.4xl03(2.3xl0\2.5xl03)0.59(0.57-0.62)ூ,᪆௃ூᑖ᪆௃ூÌ,௃পÎÏÐ}Ñᵯ<´⁚ᵯqÒḄq8888.8Q஺ফ2
zÓÔḄᵯz%=(123.0-82.0)gA=41.OgAᵫÕὶᵯ<*×ᵯzØᵯqḄÙᑣ6000.0C82.032545.0Q+G41.0|iA

25,-r=455.0஺G(4)[4][5]G2.R?Ḅ/ᵯ2545.0Q+455.0C=3000.0Qᵫ123-ᵯ4Ḅᑁ(124-70)x1Ax3000.0Qr+rG=-77=2892.86Q(136—80)x10%ᑣr=2892.86Q-455.0Q=2437.86Q«2.4xlO3Qᵯ4ᵯ78E=1x3000+4(r+ᑖ)2;/,=136.0gA>?I=70M@ᐭ3-2E=0.6()V22.ᙠCDEFGᵯHḄᵯ78.ᑁᵯḄᦟJKLMᑡᘤᩞ!A.QCḄGᵯHB.ᵯRSTᘤ1C.ᵯRSTᘤ2D.U7VᘤR(0-2011,2A)E.D$ᵯRo(2000£2)F.*ᐵ.WXYGZ[\]^_ᘤᩞ`ᨵᵯbSTᘤcdeMᵯRSTᘤfghijM᝞1ᵬᡠmḄᵯnᩭᡂ஺

26(1)ᙠpq᝞rU7VᘤḄUᱏPᔣuU7ᑣᵯRSTᘤ1Ḅmᦪr;(⌱“Vᜧ,“{V,ᡈ“V|(2)1}~[ᑭᵨCeḄᦪeḄᵯRVᓄ1X(L—IB1)ᐸIAஹ1Bᑖ@⊤STᘤḄmᦪc{ᑖ@⊤ᵯRSTᘤḄmᦪ஺᪷ᑖ᪆ᵫ1XjCᵯHḄᵯ78E=V,ᑁr=f2
(3)ᵨ^_CeḄᵯHᵯ78.ᑁᵯ$E,r஺(⌱“ᜧ”ᡈ“|”)ூᫀ௃V|3.02.0||ூ,᪆௃ூᑖ᪆௃ூ,௃(1)[1].U7Vᘤᙠᵯnᑮ"⁚ᵯRḄqᵨUᱏPᔣuU7R$¡|ᵯn/ᵯ¡|/ᵯRVᜧᵯ4ᑁ^ᵯbVᜧᑣn¢ᵯb¡|ᓽᵯR஺^ᵯb¡|ᵯR¡|ᓽᵯRSTᘤ1ḄmᦪV|஺(2)[2][3].ᵫ(ᔠᵯn¤¥D¦3-IiRo=E-(I1+I2)rV§-E11%-&+r2ᵫᦪ[¨3¨1Ḅk=——Ro+rᵨ+rᵫ13¨b=1.50k=lxl0-3,-E=3.0Vr=2.0

27বভ[5].ú¤ûüᘤ1(ᵯqþὶᐙ¶ᵯ⊤ÿᵨ
ᵫᵯᘤ1Ḅᑖ
ᵯᘤ2ᵯ
ᡠḄᵯᦪḄ
ᵯ!"
ᵯ⊤Ḅᑖ$%&ᶍ(
ᦑ!ᵯ*Ḅ
ᑣ,-.%!ᵯ*/ᔣ1234
᝞,ᡠ
ᦑ,-67ᙶ᪗Ḅ:;<
ᵯ4=<>,-Ḅ?᳛Aᜧ
ᦑᑁD஺23.*FGᵯHḄᵯ4=IᑁD
JKLMF᝞2ᘤᩞOᵯDPR,QᵯDRoஹSTᵯ⊤AiஹA2,ᵯUKI,ᓫᑐXYZᐵK2,\ᵯH
]^_`.Jbᡂᕒe᝞,ᵬᡠḄᵯ,.পhᔠᵯUKi,jZᓫᑐXYZᐵK2,k⁚ᵯDPḄD*Ri,mᵯ⊤A2ḄᦪIO;ᯠopᓫᑐXYZᐵK2qr1,k⁚ᵯDPḄD*R2,ᵯ⊤A2Ḅᦪs*Io,ᑣᵯ⊤AiḄᑁD*.ফpᓫᑐXYZᐵK2qr2,uvk⁚ᵯDPḄD
wxyvk⁚oḄᵯDPḄDRzᵯ⊤AiḄᦪL{|}ᡭᵨ,ᜐᳮᦪ
%ᵯDPᵯDR*/
*FᑮᵯI6RḄ,ᐵ
ᑣ7/x.A.IB.I2C.7-1D.V7ব᪷ফ⌱Ḅx/
R-x,᝞,ᡠ
ᑣᵯHḄᵯ4=£=,ᑁDr=.ᵨR”R2,Ro,z,Ḅaஹb⊤ூᫀ௃R2-R1CE=-r=a-Ro-
R2-R1bூ᪆௃ூ௃পᵫ⚪$
ᵯᵯᢝ(A
ᵫhᔠᵯ¡Q¢$
ᵯ£ᵯD(A
ᑣᵯ⊤AiᑁD¤S¥¦§2ᵯDPD¨©
ᓽ«%&.

28EফᓫᑐXYZᐵK2qr2",¡Q¢$OE=3RO+R+RAJ,᦮ᳮO/?=7—(r+&+&
),*ᑮ^,^
.,-.ᦑC⚗®
ABD¯⚗┯±.IE0—(´4)বᵫ,-¶ᔠ/?=:´”+¼+½¾)O,-?᳛¿=©ÀÁஹ,-ÂÃ11b-0´”=´(7+&+&|),OᵯHḄᵯ4=E=fஹᵯHḄᑁD
=a—(&+&1)=஺´4´(¼´4)b24.ÄÅÆÇᑖÈᜧḄJ
y500mLÄ⏚⏀ËÌÍᨵÏÄ⏚1mL,ᵨÐÑᘤ1mLÒ᪵ḄÌÍᐳ80Õ஺Öp1ÕÒ¥ÌÍÕᙠᥜᨵᴈÈÚḄÛ☢Ý
ÒÕÌÍÏÄ⏚ḄÞßm3>\ÄÅàáâQo
ᙠãᴻåÝæçÄÅḄèé஺_ᵨèéëᑁì᦮íîḄ£☢ßÄÅḄ☢ß
ᑣᑮḄÄÅ☢ß,ÇḄÄ⏚ᑖÈï________.(oSñ⌱ò“ôᜧ”ᡈ“ô”)ூᫀ௃2.5x10-**ôôᜧூ᪆௃ூᑖ᪆௃ூ௃1
ÒÕÌÍÏÄ⏚ḄÞßV=—X—xl0-3mL=2.5xl0-8mL=2.5xl0-"m350080ফ3
_ᵨèéëᑁì᦮íîḄ£☢ßÄÅḄ☢ß
ᑣöᨵᑮ(ì᦮íîḄ☢ß
ᡠ%VᑮḄÄÅ☢ßô
ᵫd=
$
ÇḄÄ⏚ᑖÈïôᜧ25.ᵨ,ᵬᡠḄᐗøù“æçúûḄüýᱯឋ
”Ḅ஺ᵯ2.5Vᵯ0.3A.ᡂᑡᔜ⚪஺(1)ᵬᑖ!
"#ᙠ%&Ạ(ᡂᵯ)ᐗ+!,Oফᙠ/0Ḅ12345"ᵯ⊤ஹᵯ⊤Ḅ8ᦪ᝞;ᡠ8"ᑣᵯV,ᵯA,%>Ḅ?᳛W»বᑡᨵCDᐵFGHᱯឋ
ḄK"ᐸMNḄO

29ூ᪆௃ூ௃ᵯ2.5Vஹᵯ0.3A,ᑣᵯ⊤⌱ᵨ0~3V5R"ᵯ⊤⌱ᵨ0~0.6A5R஺ᵯS«8.3Qᵯ⊤()V0.6A5RḄᑁS2X0.5஺"ᵯ⊤()~3V5RḄᑁS2XZᓟ\஺]^_`a"ᵯS“ᵯS”"ᦑdᵨᵯ⊤᜜,f஺ghᵯdi0jk"ᑣlmnSᘤdᑖ,f஺ᐗ+!,᝞ᡠ8஺(2)[2][3n4]pqr"ᵯ⊤8ᦪ1.5V,ᵯ⊤8ᦪ0.18A஺%>?᳛p=CZ/=1.5VxO.18A=O.27W(3)[5]stᓣv"ᵯSnᜧ஺ᑣKḄx᳛⌲z{ᜧ"/-UKḄx᳛⌲z|"}~⌕ᙶ᪗஺ᡠBMN"ACD┯஺ᦑ⌱B஺26.ᵬ“m5ឤ”Ḅ"⍝ᵫxᡂ"AஹBgᳫᜧ]"5m.A=20.0gஹmn=10.0go᝞

30AB“A"PVᵬa.⍝"hḄᑗ
"¢£¤¥¦ᙠᙢ☢("©£hªᚖ
ᡠᢣḄO
b.®AᳫixCᜐᵫ☟±²³"´ᑮ£¤¥(ᶇ·¸"ª¹º»3¼c.½Bᳫ³ᙠh"Aᳫ¾iCᜐ☟±²³r¿BᳫMÀ"AஹBᑖÁ´ᑮ£¤¥("ᶇᔜÂḄ·¸"ª¹º»3¼d.NÄD´ᔜÂḄᙳPஹMஹN,ᵨÆtÇ4ÈÉᑮOḄÊËᑖÁXOPஹXOMஹXON(1)NPஹMஹNÄ>"ÌᵨᙊÎÏ2DÐÌÑḄᙊ"½ᡠᨵᨵᦔ´ᙌᙠÔ☢"ᙊÕᓽ´(3)ᦪ×ᜐᳮ>"ᳫËjhḄÙtᜧÌᵨÚRx⊤8"ᵫᳫ5Û(2)ᦪ×ÌÜÀÝÞßàḄmxáOkg-m(âᶇ3ᨵᦔᦪã)"½äá¿ÞßÀårḄá/0^_"æÌm5Oᔲឤ஺ூéᫀ௃Ꮤᯠ40.80(40.7840.2)6.13xl03ூî᪆௃ூᑖ᪆௃ூðî௃(1)ñòNPஹMsNÄ>"ÌᵨᙊÎÏ2DÐÌÑḄᙊ"½ᡠᨵᨵᦔ´ᙌᙠÔ☢"ᙊÕᓽ´Ḅᙳ"ó᪵õÌ|Ꮤᯠö¼(2)2ᵫÌ÷"XONqᦪ40.80cm
(3)3ÀÝÞßàḄmxáO0.02kgx0.3065m=6.13x103kgm27.ᵨ᝞ᡠ8ḄøùúÙta¿ûFḄᐵÞ"ülýḄþᩈ
ᙠ

31
1ED⌕«¬Ḅpqg⌱⚗®Ḅ¯°.A.|²☠´ᡭ¶jᘤᐜ¸¹ᵯ4º»¼|²ᡭeEᩩ¾¿᪷¾¿ḄᦪÀeÁÂÃa,ÄÅÆÇCÈjḄmᦪF.B.ᦋV|²ḄÊᡭeËᩩ¾¿C.ᵨᜩÍCeÎ.Î᫜Ḅ/ÊD.¡|ÐÑED⌕ÒÓÎ.Î᫜Ḅ/ÊÔ|f|²ḄÊ1ᙠᨵ[-ᑮEᩩᡭ¶Ḅ¾¿;ᡭ¶ᨎÖᑖ×᝞᪗Ä᝞1ᡠmÙ¨Újᦪ¶ÛÜᨵ4¶`ᨵÝeᩭᡭ¶jᘤḄᵯ4⚣᳛50Hz,ᑣ|²ÁÂÃḄᜧ|2=m/s1.àáÒᶇ3ãᨵᦔᦪ¯7.10i9101081|12.70ItS.IO
3Z[ᵫfåæ⍡èMÍ⊝᥅ëÈìEhC-ᑮḄa—F123íg1Ḅ1X.
41gîCDïÍ☢.|ᱥᙽóÛ7᥅ëôᦪḄõö÷☢ABïÍ☢ᑗfB¶ùúD.¿ᨵûᐝᩩḄ|ᱥᙽý÷☢^☢ZE¶»¼þÿ
☢ᨬᙠCPᐝᵯᘤḄᐝᵯ.ᙢg.101520জᑭᵨ᪗ᓱ#$%&ᐝᩩḄ(᝞*+ᡠ-ᑣ&ᐝᩩḄ(cm.ঝ123◀5&ᐝᩩḄ(6◤⌕$9Ḅᱥᳮ9ᨵ.A.=ᱥᙽ?9B.&ᐝᩩ@AᐝᵯḄBCC.&ᐝᩩᑮCḄEF$D.=ᱥᙽHIḄJঞ5L=12MNOPQ⌱S*TUᩭWXY᥅[\ᦪ^_`Qab⌱Sᐵd*Tᩭefgᑭ

32ᵨ$9Ḅᱥᳮ9⊤-).1m*nூkᫀ௃ூf᪆௃ூpf௃(1)Aஹᡭᘤsᵨtuᐜw@ᵯxyᡭz{|}HI~b12?9Ḅᐵd⌕$Ḅ-ᦪA;BஹᦋṺṺ᫜?9ᓽᦋḄᜧ=ᡭXᩩ~ẆFᓄᐵd◤⌕ᦋ=Ḅ?9B┯MCஹ⚪ᵫ$$X◤⌕ᵨᜩ
$XṺṺ᫜Ḅ?9¡◤⌕¢=᫜(ᒹ¥Ṻ)Ḅ?9¦=§Ḅ¨?9ᦑCD┯M.ᦑ⌱A(1)ᵫ§ª«ᦪB6ᨵ4¬ᨵ®XᩭᦪBḄBB◞°T=5x().01=0.1s,ᵫᒴ²³sYḄ´µ°Ax=aT%(15.10+12.70+10.81-9.10-7.10-5.00)xl0-2,a=-----------------------+-----------------/n/s22=1.93/2M/5(3x0.1)-(3)12¶⍡¸5
⊝᥅[º»¼½ᑣ◤⌕ᐜᵨ»{Ḅ¾¿ᣵ᥅[|ÁÂÃÄᓽa=£-஻g,a—F*T3ÅÆÇᨵÈEᦑ⌱Cm(4)জ&ᐝᩩḄ(d=lcm+3x0.()5mm=l.()15cmঝ12ḄÉᳮ°᪷Ë&ᐝᩩḄ(ᙽ@AᐝᵯḄBᓽe%ᙽḄ°ᓃ=9BᑮCḄAÍ3᥅[ÎÏ᪷ËYÂ{ᳮ%°-nmgs=0-R93f%°|1=Ñᓽ\22gÓ=^^-2gs6◤$9Ḅᱥᳮ9u&ᐝᩩ@AᐝᵯḄBt&ᐝᩩᑮCḄEFs,ᦑ⌱BC.ঞ⌕@A*TᩭeY᥅[\ᦪ^_*TᨬÖ×ØḄ²³Ù§ÚÛË[tJ%°U=-_—2gsMᓽÜs=±,ᙠl-s*T3ᱱ²³ḄØ᳛ᓽe%Y᥅[\ᦪᡠa®2gtdrrd~

33Ã-S*Tᦑ⌱B.28.ᵨ᝞*ᵬᡠ-ḄàáẆ=Ḅᒴ²³sY஺*+uãä12%ᑮḄ»ᩩ~~媫æ¬ᦪB6ᨵç¬ᡭ®X஺AஹBæBEFèDஹEJ,éᨵèB4CêᵯëḄ⚣᳛»஺>?_,ᡭABᘤBCDED•♦♦F|I---I-ẚṹIJK[“L2íkîᑡð⚪஺প~åò-ḄsYóᔣ(⌱õ“÷øᔣè”ᡈ““÷èᔣø”)(2)=sYḄa=(ᵨ⚪ûᱥᳮ9üý⊤-)(3)£Ḅ%=(ᵨ⚪ûᱥᳮ9üý⊤-)஺7LL
ூkᫀ௃÷øᔣèLτ2஻7530ூ᪆௃ூ௃পপᩭᜧᡠᡭḄ!EஹDஹCஹBஹA,ᑣ$%&'Ḅ(ᔣ*+,ᔣ-஺(2)[2]/0ᵯ2Ḅ⚣᳛*f,ᑣᡭḄ5◞*ᑣ789:ᦪḄ5*5T,ᵫ=>?A,-L,=3a(57)2?(LrL2ClM75(3)ᵫ=>?1,L=v(5T)+-a(5T)22D=v+a(5T)D@AB?

34D(71)/*3029.EFGHᵨ᝞7ᵬᡠ'ḄLMNOPQRSTḄᐵVᐸ9ḄXY*M,ṺSṺ᫜Ḅ\XY*m(^_ᐝ^)/2ᵯ⚣᳛*/=50Hz(1)dLM9(◤⌕/g◤⌕)hiM(2)jkṺ᫜%$%l:ᦪmᨵ4opq$%᝞78ᡠ'ᑣḄR஺=m/s2(rstᶇvwᨵᦔᦪy)ூzᫀ௃g◤⌕2.01ூ%᪆௃ூ(%௃(1)[1]ᡠ|}T~ᵫT:◤mM(2)[2]:ᦪᨵ4oᨵq:ᦪḄ5◞*t=0.02x5s=0.1sᵫᒴ0Ḅ^x-ar~?ḄR_(x+x+x)-(x,+x+x)45623“M9?ᐭᦪ?a=2.01m/s230.ᙠGᵯEGPQY2BḄᵯ᳛(▅ᐵᧇᐸᵯ᳛Ḅ*2.0x10-~3.0xl(f7Q.m)(1)ᵨ¡¢ᘤY¤Ḅ¥᝞7ᵬᡠ'ᐸ¦ᦪ*mmᵬ8

35(2)§ᨵ᝞¨LMᘤᩞªY«ᳮᘤᩞ®¯qLMḄᵯ°7A.±²³R´µB.Y¶*3Vᑁ¸*3kCḄᵯ¹⊤C.Y¶*0.6Aஹᑁ¸*0.1஺Ḅᵯ2⊤D.»*0O2cḄ^0ᘤE.»*4=4.0QḄ¼»ᵯF.⁚¾¿ÀᵯÁGkᐵSÂlÀ(3)EY9ᵯ¹⊤'ᦪ᝞78ᡠ'ᐸ¦ᦪ*஺=V(4)LM9⌕YÃᱥᳮY◀@A¥d,ᵯ¹⊤Ḅ'ᦪU᜜m◤YÇᵯ2⊤Ḅ'ᦪ/µo¤Ḅᵯ᳛*஺=(ᵨ@AᡠᱥᳮYḄyÈÉÊ⊤')஺ூzᫀ௃0.4001.90ËRLூ᪆௃ூ௃(1)Ì]¡¢ᘤḄμ³R'ᦪ*0mm,¡Ï³R'ᦪ*40.0x0.01mm=0.400mm,ᑣY»*0.4(X)mm(2)ফᵫ⚪Ñᵯ᳛Ḅ*2.0x10-7~3.0x10-7஺.mᵫ@AY¥*0.400mm,ÓÔḄËR¸ᨵ20cm,ᵫᵯ¼>?ᵯ*&=p*,×ᨵØØ☢Ú5=ᐔ14],ᐭ@Aᦪ?ᵯ&=Ü0.4Q(᜛Þ2.5x10-7஺.)ᵨᵯ¹⊤ஹᵯ2⊤ßYàḄᵯ¹ᐸ9ᵯ2ᵯ⊤¦ᦪgᓛâ஺◤⌕ã¼»ᵯäåὶ*᦮è(&+4)Yᐸᵯ¹ᵯ2ᑣᵯ⊤ᓛâ஺éê᦮è(4+RJäᵯ2⊤ᵯ¹⊤ᑁᨵ4+K3000Qa682&\>Q:4.4Qᑣᵯ2⊤᜜ßYëì^0ᘤ*()~20,îᵨ▲2ßð~LñvᨵᦔYᑣᐸYᵯ°᝞7ᡠ'

36(3)বᵯ¹⊤Y¶*0-3V,ᐸᨬᨵᦔ³R*().1V,óô¦Y»*1.90V(4)[4][5]ᵫ@ᔜB?ᵯ᳛◀Y¥dஹàᵯ¹Uஹᵯ2/᜜m◤ᵨ³R´YËR31.wFG*Mö÷øùúឤ¼>ᑭᵨᐝᵯýÜNOþ:ÿ᝞
஺ᵨḄᘤᩞᨵஹᐝᵯ12ஹஹḄ!Ḅ"ṹAB(B$%&'ᢱᐝᱏ)஺+1,-᝞
জ᝞+1,/ᘤᩞ&'01ᐸ3"ṹAḄ45Bᜧ1789ᵨ:;/"ṹB<=☢?!,;AᜐCDEFᔣ1HI☟K஺ঝᵨMᑐMO"ṹB
FḄ;1BᙠAQR
ᐜTUᐝᵯ12,VWᢱᐝXYᑖ[\]ஹঞᵨ_`VaᘤV4ᢱᐝᱏbcRFᔣḄde᝞+2,ᑣ"=mm஺টᵨᢱᐝᱏde<ᢱᐝXYjkᙳme1nᢱᐝᱏdeopX1q/kᙳmenᡂsXme஺ঠᵨuevV4ᐝᵯ12YḄwxL(Ld)஺ডz⊤Wᑮnᙢ~meᜧp\g஺ঢ\ឤ1ᑏ◤V4Ḅᱥᳮ4(?Ḅ⊤),ᵨqᱥᳮ4ᑏF____________o](d>\~ூᫀ௃6.710"ṹAஹBḄ4miஹm2—(z??
+m,)———=/r^gL—/n^gL2V27V1/ூ᪆௃ூᑖ᪆௃ூ¡௃ঞপ᪷¤_`VaᘤV4¥ᳮW

37d.=6.5mm+21.0x0.01mm=6.710mmঢফ§\ឤ1◤V4"ṹAஹBḄ4nஹm2஺¨HI1©\RḄª4«C~¬Ḅ®41ᑣF\3m+§°l=mgL-mgL2y32.ᙊ²³◌µᐗᘤ·⊤☢ᙳᒴ╄ᨵ:º»ᵯↈ½1¾¿»ᵯↈ½ᵯÀ᳛\P\ÂV4Ãↈ½Äe1ÅÆÇᵨÈÉÊËᙠᐗ·⊤☢1ÈÉËᑴᡂᙊ³1ᙊ²ÍÎÏᚖECÈÉᙊ☢1ᑴᡂᵯ᩽AஹB,᝞+ᵬᡠ(1)ᵨ_`VaᘤV4ᐗ·ḄEÔ1V4ÕÖ᝞+]ᡠ1ᐸ×ᦪ\1(2)\ÂV4ᐗ·ᵯÀ1ÅÆÇ✌ᐜᵨÚᵨᵯ⊤¨ᐗ·ÛV1ᐗ·ᵯÀÜ\10Q,Ý◤ÞßV4ᵯÀÀà1áᘤᩞ᝞
A.âVᐗ·&(ÀàÜ10Q)B.Eäᵯå(ᵯR¬Ü6V,ᑁÀÜ3Q)C,ᵯä⊤A1(40O0.6A,ᑁÀÜ2Q)D.ᵯç⊤V1(40~2V,ᑁÀ=100࠷)E.ᵯç⊤V?(4஺è12V,ᑁÀÜ5(X)()஺)F.àᵯÀé(&=2000Q)GRêÀᘤᵨ(02DQ)H.RêÀᘤ&(0100Q)I.ᵯìஹ»Ï«জᙠá⌱îḄᘤᩞ31¾U⌱îAஹBஹCஹI◀ðñ᜜1Ã⌱ᵨ(óᑏôõ)ঝ᪷¤ᡠ⌱ᘤᩞ1ᙠ+öF᪾3øᵯù+_______ঞ◤⌕V4Ḅᱥᳮ4_______,ᵨûᱥᳮ4⊤âVᵯÀ&=஺(3)\ÂV4ↈ½Äe◤⌕V4Ḅᱥᳮ4\.(4)üâVᐗ·ᵯÀ\R,ᐗ·EÔ\d,ᵯÀ᳛\PÕᔠᵨ(3)ᱥᳮ4⊤ↈ½ÄeAd=

38ூᫀ௃0.398
0.396~0.399ᙳᑖ°DFGþᑖçÿ
ᵯ⊤A1ᦪ/,ᵯ⊤V1ᦪUᵯ᩽AஹB1ḄLP-—nd-Rூ᪆௃ூ௃পপᘤ!"#$%0,&#$%39.8x0.01mm=0.398mm,ᡠ(ᦪ%0+0.398mm=0.398mm
22)%*ᵯ+ᵯ&,%6V,ᵯ⊤V?-./ᜧ123⌱516ᵯ⊤V1ᦋ81)9◤⌕DF
<&=>ᘤ?▲Aᵨ1CᐰE⌱5FḄ1GHIJKA1ᡠ⌱5G஺3MᵯNOP<&=>ᘤ>QGR>Qᜧ1ST3UVWᘤCᐰ1)9<&=>ᘤXᵨ▲IY1Zᵨ[C
-Rᵯ>1ᐸ]ᵯ⊤◤^ὶ`aᑖᵯ>1cᵯ>dᜧefᵯ>1Xᵨᵯ⊤᜜஺ᵯN᝞ijRஹ@--Re/-'s—11-lRஹ4᪷lmnop1◤⌕-ᵯ⊤A1ᦪ/,ᵯ⊤V1ᦪ5ᵯq%ᵯ⊤roQᵯ>Ḅcᵯ1ᵯq%sfᵯ>Ḅᵯ1ᑣ-.ᑁU.0,u)%/u1ᡠ⊤%TḼV+WXYMXব6᪷lᵯ>op

39ᐸ[ↈ]^ↈ_`KabTcdᙊᕜgThijTkḄmnᓽS«TRZ-ZV/ᡠdTqrↈ]ijs◤⌕rvᐭᵯyḄᵯzgjTᵯ᩽AஹB}~Ḅ஺(4)[7]⚪ᨵR=p——-——nd■\d33.ᐶ>rᙽ
ᩈ~Ḅ᥅ᦪqM᝞1ᡠ஺>V✌ᐜ¢M£¤¥Ḅᩈᙠ
¦☢¨v©ªᐸᯠKᢞ¨ᱥ¯ᙽ°ᒴ²³´ᡭABᘤᙠµ¤¨ᡭ¶M·ᑡA.(1)2c[¹ºḄMᩩµ¤ḄM¼ᑖ¾¿ÀᦪA~Ḅ᝞ᡠÁÂᵯÃḄ⚣᳛T50Hz,¾¿ÀᦪA~sᨵ4BAÆ᪗¶᪷[ᦪÉḄ²³ja=M/S?.(ÊËÌᶇÀÎᨵᦔᦪÐ)(2)T᥅ᦪ>VÑᐜᵨ¶ᙽᱥḄᑖÓ᝞3ஹ4ᡠᑣ3ÕÖḄᦪTN,4ÕÖḄᦪTN
华MN4N••三=k=111-1-一h三E-三三-三-/.-三22一三2.一一一---指针，三*一g---三3=33一3=h-三.==-三-444=4==-=4=3—(3)²³jgº10²/./,ᙽᩈ~Ḅ᥅ᦪ஻=(ÊËÌᶇÀÎᨵᦔᦪÐX஺ூØᫀ௃0.502.001.000.43

40ூ᪆௃ூ௃(1)[1].z{|Pᦪ}~ᨵ4aP}᪗1ᑣT=O.ls
᪷lAc=ᔠ⌲
:x+x+x-x—x—Xj(3.87+3.39+2.88—2.38—1.90—1.40)x10-22165432-m/s-=0.50m/s-9஻9x0.12(2)[2][3].ᑣi3qḄᦪ%2.00N
i4qḄᦪ%1.00N
(3)[4].<ᙽᱥḄ᦮jmg-fiMg=(M+m)aᐸ]mg=1.00N,Mg=2N,M=0.4334.FḄᵨ᝞iᡠḄ8“ᵨᓫ᤮$”Ḅ஺(1)¡ᨵ᝞Eᘤᩞ£⌱ᵨjA.¤¥1mḄ¦§B.¤¥1mḄ¨©ªC.*«¥2cmḄ¬ᳫD.*«¥2cmḄᛛᧇᳫE.°"F.±G²⊤◤⌕³´µᘤᩞ]⌱5j`(·ᑏᘤᩞ¹☢Ḅ»¼)஺(2)ᙠᢧ⌱ᔠ〉Ḅᘤᩞᑴᡂᓫ᤮ÃÄÅÆÇ1KAÈÉ᝞E:জ6ᓫ᤮´ËÌoᙠ¬Íδঝ᤮§¤$1A%ᓫ᤮Ḅ᤮¤ঞᙠÑÒHFḄÓ6Fᳫᵫ☟Ö×Ø

41টÚÛFᳫÜᡂnÝᐰÞ&ᡠᵨḄct,ᑮᓫ᤮Þ&ᕜáT=-nঠ᪷lᓫ᤮ᕜáãYPä$ḄᜧF஺ᐸ]ᨵ`ᜐKA2æçḄè`o(·ᑏKAÈɹ☢Ḅéê)(3)ᢥ᯿´ḄÈÉ1-í᤮¤rqḄᕜá1î᪷lᦪlïið1᪷lMið$Ḅ-Q%—m/s2.(4)ÃÅòóïôõ஺ÄÅö÷ᵫᓫ᤮ᕜáãYᕜáø᤮Òùᐵ1S]ᓾ⌕ü᤮ÒHF஺ýþÿ⌕
ᐸḄூᫀ௃ACEGঝᓫ᤮Ḅ᤮᤮᤮ᳫḄ9.86T=ᓫ᤮!Ḅᕜ#$%஺'᤮()*+,-./ᓫ᤮Ḅ!01!஺ூ2᪆௃ூᑖ᪆௃ூ52௃(DH1.ᓫ᤮Ḅ᤮6-718*9:;<Ḅ=>?@ABCᐜ⌱ᵨG1mḄHIG2cmḄJᳫ⌕ᵨKLMN᤮O⊤MNᕜ#ᦑᫀ1RACEGo(2)[2].ST6U'Ḅঝ.ᓫ᤮Ḅ᤮᤮᤮ᳫḄ஺(3)[3].᪷Xᓫ᤮Ḅᕜ#$%Y7=2Zg2Y4[2T-=——Igᵫ]^-_,4/4.0,k=------=——=4g12Yg=9.86m/s2(4)[41.$%T=2Zᓫ᤮!Ḅᕜ#$%஺'᤮()*+,-./ᓫ᤮Ḅ!01

42!஺35.`abᵨ᝞]ᵬᡠfḄᵯhMNijk;lG110஺Ḅᙳᒴᵯ;oḄᵯ;᳛p஺ᙠrLstḄuva?bwxuᐭzᵯ;o{|ᜳPᜳᙠᵯ;o~ᵯ;o!{|ᜳ-ᦋuᐭᵯhḄᵯ;o஺@AḄᘤᩞᨵRᵯEᵯ!13.0V,ᑁ;G1C
ᵯ⊤AiN0~0.6A
ᵯ⊤A2N0~100mA
ᵯ;R
0-99.9911
ᐵஹ஺@AST᝞RজᵨMᘤMᵯ;oḄID
ঝ᪷XᡠḄ@Aᘤᩞ¡᝞]ᵬᡠfḄ@Aᵯhঞ£⁚ᵯ;¥ᐸuᐭᵯhḄᵯ;lᨬᜧ/{|ᜳᜳᙠᵯ;o`¨©~ট«ᔠᐵ£᦮ᵯ;uᐭᵯhḄᵯ;l¥ᵯ⊤®¯°±ᵯ;Ḅᵯ;lR?uᐭᵯhḄᵯ;oL
ঠᦋPḄ¨©£᦮_________,¥ᵯ⊤µ¶®¯ড¸¹º¶°±»i¶ḄR?LᦪXপᵯ⊤⌱¾⌱¿“Ai”ᡈ“A2”
ফঠÂᗐḄᑁÄ;
3ᵨ°±ḄºR?LḄᦪXÆÇ᝞]Èᡠf]ÉÊᑖË1r?I,ᑣᵯ;oḄᵯ;᳛⊤Í%p=ᵨÎÏḄÐÑ⊤fÒ
4ᵯ⊤Ḅᑁ;ÓÔ@AÕÖ¿“ᨵ”ᡈ“Ù”Ò=>஺ூᫀ௃A2ᵯ;RḄ;lP=⁐ᓃÙ4Zூ2᪆௃ூᑖ᪆௃ூ52௃E3
1[1].'ᵯ⊤Aiuᐭᵯhᵯ⊤®¯+ᵯhḄkᵯ;1ᔆ—Q=5Q.'ᵯ⊤A2uᐭ%0.6'

43E3ᵯhᵯ⊤®¯+ᵯhḄkᵯ;1ᔆ=73஺=300,-_ᵯ⊤⌱¾A2
(2)[2J.ঠÂᗐḄᑁÄRᦋPḄ¨©£᦮ᵯ;RḄ;l¥ᵯ⊤µ¶®¯;(3)[3].'»¶Þᵯ⊤®¯+᜜ᵯhḄkᵯ;ឤÏl1Ro,ᑣR+=R஺ᓽᵫ]^-_SM7ᓽ(4)[4].ὃ⇋ᵯ⊤Ḅᑁ;ᑣ⊤Í%1R+P5=&-RAR-LḄä᳛6ᑣMNl6ᓽᵯ⊤Ḅᑁ;Ó@AÕÖÙ=>஺36.`ab⌕/iN1250pAḄå⊤ᦋæ1N1L50VḄᵯç⊤஺zabMYå⊤ᑁ;11200஺è¡éê/i;l1RḄᵯ;ëå⊤ìuíîᦋæ஺ᯠêᑭᵨi᪗òᵯç⊤ÓᦋæêḄᵯ⊤íîóM஺(1)/](a)Ḅ@ᱥì⊡ᐙÂ᦮_______(2)'᪗òᵯç⊤Ḅfᦪ11.00V+å⊤Ḅᢣ┐¨©᝞](b)ᡠfᵫù-.úMᦋæḄᵯç⊤N6⚜#l;(¿ýþᫀ᪗ÿ)A.1.20VB.1.25VC.1.30VD.1.35V(3)
⚪Ḅ஺(ᫀ᪗)A.⊤ᑁ┯▭ᑁᜧ#1200QB.⊤ᑁ┯▭ᑁ$#1200QC.R%&'┯(ᐭḄᵯ+$D.R%&'┯(ᐭḄᵯ+ᜧ

44ூ%᪆௃ூ(%௃⊤-ᑖ/ᵯ0ὶ2ᦋ4ᡂᵯ/⊤ᱥᵯ78᝞8ᡠ;஺
2ফ⊤<=250jiA,ᵫ8bᡠ;⊤?@ᐸᑖB%=5jiA,ᐸ;ᦪ=200HA,D+<Ḅ44EFG᪗Hᵯ/%=LOOV,ᓽD+<Ḅ1JKḼᵯ/%=1.00V,ᦑᦋ4NḄᵯ/⊤ᨬᜧ<=5BACD┯஺ᦑ⌱B஺
33ᵫ⊤ᦋ4Ḅᵯ/⊤;ᦪ+ᜧQRᐸᑁ+$ᨵ⊤ᑁ%$#1200C,TᨵUVWᘤRḄ(ᐭᵯ+$⌼ᡂḄᦑBCAD┯஺ᦑ⌱BC»37.ᑭᵨ8;4\2ᱥ]^ḄV᥅`ᦪ஺abcde☢ghijḼjUkஹBmijḼᐝᵯo஺pqjUkḄrsthᑖu᪝(wmḄxᱥywMḄᱥᙽ{|}B=dḄ~ᐝᩩGᵫ☟ᱥᙽᦋWᱥᙽmAḄ\ABḄ^xy~ᐝᩩqᐝᵯoḄG^to{r

45s-Uk^Ḅ᥅`ᙳ&xB=g)ᐝᵯn³ᐝà
zᡃஹ-ᱥᙽ(1)ᱥᙽAVBḄq<xᱥyᱥᙽ᦮]ḄV=AEk=(2)ᑡᔜ8¡᧜Vq

46k^m+M")d22(mg-/jMg)ᵫFW¹º_2kmg-(M+m)d'“-2kMgᦑ⌱A஺38.»¼½ᵨ8ᵬᡠ;4\ᩈᙽ-ᩈÀ^V᥅`ᦪ஻஺8\#ÂḄÃᩈÀab\ᐸghijÄÅUkÅÆpqUkÄh-ᙠᩈÀḄ$ᩈᙽÈÉÊÄhËᢞÍṹ஺ᵨḄÍṹᐳᨵNÐÑ஻(ÒÓ஻=1,2,3,4,5)ÐÍṹᢞᙠÅÆghᐸÕÐÍṹᙠᩈᙽḄÖ×$ᩈᙽᑭᵨᡭm&GᘤᡭÙḄÚÛᩈᙽḄB஺ᡭm&Gᘤ✌⌮Ûᵬo-1-2~~3456?J•+.ᓫÎ+஺ὡு—JO-+-----------------7.32-----------------1Þ(1)ßàáâºᑮÄᩩÚÛ»ÐãᨎḄᡭmåæÒ᪗ç0ஹ1ஹ2ஹ3ஹ4ஹ5ஹ6,ᑖuÙ\0ᑮ\3ஹ\6^Ḅè᝞8Þᡠ;஺é@ᡭmᕜëT=0.02s,ᑣᩈᙽḄB஺=—m/S2o(2)ᦋWËᢞÍṹḄÐᦪn,ºÈKḄBa,Ñíºᦪ´ᙠᙶ᪗ÚïÙ(ðñÙòᐸÄóᑖ)᝞8ôᡠ;஺ÓxBg=10m/s2,ᑣᩈᙽ-ᩈÀ^V᥅`ᦪ஻=(õᶇ2ᨵᦔᦪ©)(3)(⌱“◤⌕”ᡈ“◤⌕”)DýËᢞÍṹþwÿ
ᩈᙽṹ஺ூᫀ௃2.00.14-0.16◤⌕ூ%᪆௃ூ(%௃(1)ᩈᙽḄa=-~=_33°è.3°*1஺-2/$2=2.0/nIs1.(37y9X0.022(2)N!"ṹḄ᦮$%᪷'()*+,-=%./a=+01N23a-n45᝞4;

47ᵫ49:jig=1.6,./1=0.16.(3);<=N!"ṹḄ᦮$>?ẆA%ᑣ◤⌕CDEᢞṹG
ᩈᙽṹ஺39.4ᵬ=I᧕Kᵨᵯ⊤ḄᵯOPᳮ4%4E=ᵯR%RiஹR2ஹR3ஹ&ஹR5=,UᵯV%R6=9WᵯV%⊤ᜮGḄCYᵯZ[200lA஺ᑁV[600஺%ᐸ⊤^᝞4_ᡠa஺4ᵬbcd᪾ᑁ[ᣚᢱhᐵ%AfjBjᑖlmn⊤opq%rKᵨᵯ⊤ᨵ5!ᢱt%ᑖl[uZᵯZ1Aᢱ500BAᢱ%vwxlkQᢱ%uZᵯx2.5Vᢱ10Vᢱ஺পzᵨvwXlk஺ᢱ{+᩽}Ḅ~ᔣᵯV%ᑣAjm+᩽}Ḅ(⌱“”ᡈ“”)᩽p%{/Ḅaᦪ᝞4_aᡠa%ᑣr+᩽}Ḅ~ᔣᵯV[kQoফ{rKᵨᵯ⊤ᢣ┐t᝞4_bᡠa%zBj=m“1”pqḄ%ᑣKᵨᵯ⊤Ḅaᦪ[;zBj=m“4”pqḄᑣKᵨᵯ⊤Ḅaᦪ[஺(3)᪷'⚪ᡠḄᩩ9/RiஹR2ḄVU[ூᫀ௃7.00.30A0.75V400ூ.᪆௃ூᑖ᪆௃ூ.௃(1)ফz{+᩽}Ḅ~ᔣᵯV%ᑣᵯZ+᩽}Ḅ᩽Zᐭ1vw⊤ḄᵯZAjZ3%ᦑAjm+᩽}Ḅ᩽p1᪷'¡^%/3aᦪ[7.0,⌱ᵨ¢xlkQᢱ%ᦑ+᩽}Ḅ~ᔣᵯV[7.0k஺஺(2)3zBj=m“1”pqḄ%ᑣ=ᜧ¤ᵯZ⊤%[uZ1A᫏%ᦑ¦§⊤a0.02A,¨ᦪ[0.30A14zBj=m“4”pqḄ%ᑣ[¤Ḅᵯx⊤%[uZᵯx2.5V᫏%ᦑ¦§⊤a0.05V,¨ᦪ[0.75V.(3)5ᵫᵯOᱯª%ᵫ⚪«:(500-200)xl06x(RI+R)=200x10-6x6002

48᦮ᳮ/RI+R2=400C40.4ᵬ=¬<®¯°,ᳮḄ;<±஺ᐸ²³᝞´:A.᧕¶·ᑁ¸¹〉»¼%ᵨ½¾¿ÀÁÂqᙠĹ%ÄqÅÆ஺ᔠᳮÈ᦮ᩈÉÊË%ÌÄÍᩈÉᒴ´Á஺B.Ï´½¾᧕¶·%{3᧕¶·»¼ḄmiÐÑÄm2஺C.ÒÓ»¾᧕¶·Ô%ᣚ0ᩩÅÆ%ÌÄᵫ☟Ö×Ø%ᡭ3ḄÅÆ᝞4_(ÚÛᑖÜ23)%O[ᡭ´Ḅ*0ª஺Ý:ᡭªÞᘤḄᡭªÚÚ◞[T,áâ[g஺(1)²³CÄᡠãḄᔠ᜜âᜧ[0(2)[<®O—CÀ¤Äᔠ᜜âåæmį°WᓄḄᐵè%{3BDÚḄéê[[%OCÚéê[A,ᑣCªᜧ[0,◤⌕<®Ḅᐵèì[0(ᵨᡠ{ᱥᳮḄîï⊤a)஺ூᫀ௃পmig
ফ*34=ᗞ~ூ.᪆௃ூ.௃Äᒴ´Áãᑮáâஹñᢝâஹ᥅ôâ½¾Ḅ¶â%ᔠâ[õ1ÒÓ¶âÔ%ᐸöâW,ᦑᔠâ÷
ÒÓ½¾Ḅ¶â%ø½¾Ḅ¶â÷
᧕¶·»¼Ḅáâ%ᡠÐÄᡠãḄᔠ᜜â[m.g;(2)ফᒴWucù¯Ḅúᙳ÷
Ú¡ü%ᦑý¯°þ[:ᔠâḄæ[:WG/gX],◤⌕<®Ḅᐵèì[:41.᝞4ᵬᡠa%0mᵯᾯ
ḄᘤᙠᜋᙠᩈḄᙽ,!"#$ᘤ%ᦪ'(஺*⌕,-ᙽ.ᩈ/0Ḅ1᥅34ᦪᵨ6ᜧḄ

49ᩈ9:Ḅᢞ<=ᩈ>ᙽ?☢AᙠᵯᾯDᑮ᝞GHᡠ%ḄᦪJGKLMNᙢPQRSg=9.8m/s2oᘤ
ᵯᾯᵬপ,DᙽḄU-m=0.50kg,ᑣᙽ.ᩈ0Ḅ1᥅34ᦪji=஺(XYZᶇ\]ᨵᦔᦪ`)(2)bcdḄRS=ᩈAeḼRSḄgQᙽhᑮḄ᥅3஺(i“kᩭkᜧ”“kᩭk”ᡈ“co”)বqᩈrᣵᙽḄᵨttᙽᑣuv◤⌕NḄtxyt1ᙽ஺ூ{ᫀ௃0.204co1.20ூ~᪆௃ூ~௃(1)[1].ᵫ⚪GHMᙽᡠh1᥅3/=LON,ᵫ/=~Dᙽ.ᩈ/0Ḅ1᥅34ᦪji=0.204.(2)[2],ᵫ᥅3.ᙽ1ḄRSᐵᡠbeḼRSḄgQᙽhᑮḄ᥅3co஺(3)[3].ᵫ⚪GHMᙽᡠhḄᨬᜧ☟᥅3&=L20Nᡠbuv◤⌕1.20NḄtxyt1ᙽ஺42.dᵨ᝞Gᵬᡠ%,NᙢḄPQRSᐝᵯAஹB.ᐝᵯ$ᘤᳫᐝ(1)ᵨ᪗ᓱ¡,-ᳫḄ¢%ᦪ᝞GHᡠ%ᑣᳫḄ¢d=mm(2)£ᳫ¤☠ᢱᵫ☟§¨ᐝᵯ$ᘤᳫᐝᵯA©ᐝᵯBᡠᵨḄ$0t2,,Aªᐝᵯ0Ḅ«S¬h,ᑣ,DḄPQRSg=(ᵨ,DḄᱥᳮ-Ḅ¯°⊤%)஺

50(3)²ᐝᵯ$ᘤᳫᐝᵯḄ$0ᦋ'ᳫ>ᐝᵯA1ᑮᐝᵯBᡠᵨḄ$0ZᢝᐝᵯBḄ]coµ¶ᦋoᐝᵯAḄ]·¶ᙳ£ᳫ>¤☠ᢱᵫ☟§¨·¶hªᐝᵯ0Ḅ«S¬h¹ᳫ>ᐝᵯA1ᑮᐝᵯBᡠᵨḄ$0t,ºA--fG¼᝞G½ᡠ%qGt¼¾᳛ḄÀÁÂ'k,ᑣG¼.ÃÄḄÅÆÇÈ'NᙢḄPQRS'ூ{ᫀ௃U.44-4ᳫᐝᵯB$ḄRS2kூ~᪆௃ூ~௃(1)[1]ᵫG%᪗ᓱ¡Mᐸ%ᦪ'd=llmin+4xO.linm=n.4mm(2)[2]ᳫᐝᵯ$ḄRS'(1dVB=-ᳫÊËᵫÌÍ1ᵫRS]ÎÏÐDVfi-V=2gh~Dd2(11](3)[3][4]ᳫ¨ÑḄ]ᑮᐝᵯBḄ]ÒឤḄᳫ·¶ᐝᵯ$ḄRSÒḄᑣᨵ᦮ᳮDh1~=vB-2gthᑣ--tG¼.ÃÄḄÅÆ⊤%ᳫᐝᵯB$ḄRSVB,G¼¾᳛ḄÀÁÂ't,1k=2S~Dg=2k43.ᵨ᝞Gᵬᡠ%,ᩈᙽ.ᩈ0Ḅ1᥅34ᦪ஺ᙠÕ☢Ḅᩈ:Öᨵ×Ø:ᨵᡭÑ$ᘤÚᡭÑ$ᘤḄÛÖ
ᙠᩈᙽÜ×ḄÝ:
ᙠᩈᙽ

51Ø:ÞᢞᨵßṹḄßṹáâ#$ᩈᙽ☠ãᡭÑ$ᘤ஺NᙢḄPQRS'g஺(1)◤⌕ä⁚Ḅ«Sæ
ᩈᙽḄÝ.ᩈç஺(2)
ᵯè¨ÛÖGH'ᡭAḄÛÖÑéêᨎḄìÛÖ0ஹ1ஹ2ஹ3ஹ4ஹ5ஹ6'ᦪÑíᦪÑ0ᙳᨵîï$Ñð᪗AqᡭÑ$ᘤᡠ
ñòᵯḄ⚣᳛'/,,AÛÖᦪÑ0ஹ20ḄÆô''ᦪÑ4ஹ60ḄÆô'஽ᑣᡭᦪÑ5$ᩈᙽḄRSᜧ'(ᩈᙽḄQRSᜧ'(3)qᩈᙽḄU-'M,ÞᢞḄßṹ©ßṹáḄöU-'÷ᑣᩈᙽ.ᩈ0Ḅ1᥅34ᦪ'ூ{ᫀø×ùîm(m+M)(x-x)f22t10200~M200Mgூ~᪆௃ூᑖ᪆௃ூ~௃(1)1ä⁚×Ḅ«Sæ
ᩈᙽḄÝ.ᩈç஺(2)ফ3᪷J$0üÑRSýì$0ḄᙳRSᑣþᡭᦪÑ5$ᩈᙽḄRSᜧ'ï2_⛳%10-10f᪷
Ax=ᩈᙽḄñM%(஽Mᐗ1)722M2200(3)4ᵫᨵmg-/LiMg=+(²+²)(஽Mõ)/2“200Mg44.ᵨ!"ᳮ$%&᝞(ᵬᡠ+,-./g,ᢥ⌕23ᡂ5ᑡ7⚪஺

52প$;ᐜᵨ=᪗ᓱ@ABCᐝᩩḄFAG+ᦪ᝞(Iᡠ+,ᑣCᐝᩩḄFd=mm»(2)$K◤⌕ḄMNO஺A.P⁚R┑,TUVB.P⁚WX,TYZWᙽḄ[\]V^C.Wᙽ]CᐝᩩḄ_`GM⌕aᜧcdṹḄ`GmD.TWᙽfgḄh&iᐝᵯk〉man(3)ᢥ(+o%pP⁚q%&,rst,uWᙽv(+h&ᵫ☟xfg,ᵫᦪyz{ᘤ}BCᐝᩩs~ᐝᵯkḄ{/At,ᑣᱥᙽs~ᐝᵯk{Ḅ/v=(ᵨAḄᱥᳮGy⊤+)(4)ᢝdṹ`G,ᦋWᙽrfgḄh&,ABfgḄh&ᑮᐝᵯkḄix${Cᐝᩩs~ᐝᵯkḄ{t,s~NB\ឋ(ᩭ᧜ᔠ.Ḅ]!"ᦋGḄᐵ,ᑣᡠN(ᐵO{"ᔠ$⌕2஺A.X-AtB.X-(#t)2C.x—(#t)-1D.x—(#t)2ூᫀ௃5.45ABD_Dூ᪆௃ூ¤௃(1)=᪗ᓱ@Ḅ¥@}ᦪ/5mm,=᪗}ᦪ/0,0$x9=0.45,ᡠ¦ᨬ¨}ᦪ/5.45mm
(2)A⚗ªP⁚R┑,TUV,ᦑA¬®B⚗ª/¯T°Ḅ±.²cWᙽḄᔠ᜜.,P⁚WX,TYZWᙽḄ[\]V^,ᦑB¬;C⚗ªµ¶ᩭ·,¸◤Wᙽ]CᐝᩩḄ_`GMaᜧcdṹḄ`Gm,ᦑC┯º®D⚗ªTWᙽfgḄh&iᐝᵯk〉man,»¦¼½AGWᙽ¾!h¿Ḅºᐵ,ᦑD¬஺ᦑ⌱ªABDo(3)Wᙽs~ᐝᵯkḄ/ª_®(4)ᵫÂÃ,ª____:,ᦑ⌱D஺ÆÆÆ=4(=+Æ)(ÈÆ45.s~$ẆʽËÌḄᵯÍ]ᵯÎḄᐵ஺$ᘤᩞ᝞(ᵬᡠ+,ÐÑ3ᡂÒᑖ\ḄYZ஺

53O甲প$⌕2ᵯ⊤Ḅ+ᦪvÔr⌲Ö×ᜧ,ØᢥÙ⌕2ᵨÚÛ\ÜÝ\ᙠ(ᵬ$ᱥZ\(K3ᡂß5\ḄYZ;(2)AGᵯÍ⊤ᢣ┐âã᝞(Iᡠ+,ᑣᵯÍ⊤Ḅ+ᦪ/A®(3)äåB½ËÌḄæoᱯឋè\᝞(éᡠ+,᪷
(ê»ë½ËÌḄᵯìíᵯÎ×ᜧî(⌱ï“×ᜧ”ஹ“¼½”ᡈ“uä½ËÌóZ]ᵯ!ô/3Vஹᑁì/5஺Ḅᵯtöᡂ÷ᔠøù,½ËÌḄ$▭᳛ü/—W(ᶇhᨵᦔᦪ
)஺0.44ᜧ0.44
0.43—0.46ᙳூ᪆௃ூᑖ᪆௃ூ௃(1)[1].ᘤḄᱏᵯ⊤Ḅᦪ!"#$ᜧᘤ%ᵨᑖ'()*ᱥᵯ,-᝞-ᡠ:ফ[2].ᵫ-ᵯ,-23ᵯ⊤450.6A,ᵫ-ᵯ⊤23ᐸᑖ7850.02A,ᦪ50.44A
(3)[3].᪷:-;23<=>Ḅᵯ?ᵯ'ᜧ@ᜧ஺[41.ᙠ=>U-I-Bᙶ᪗EᑁGHᵯIḄU-I-B᝞-ᡠJ

54ᵫ--B23=>KLᵯ'U=1.3V,M=>ḄᵯI=0.34A,=>N᳛P=UI=1.3x0.34=0.44W46.PQRᑭᵨ-ᵬᵯ,U4VᩭXḄᵯ᳛ᐸᑁYᙳᒴḄᙊ\]^ᴻ`abc(de`e`fgᨵ▀jKklᑴ`ᑁVᩭXḄX4^ᴻ`KL(ᨵnᵯopqopᵯ2rᶍtaopuvwaop2Vᵫx*yᘤᩞ{ᨵJᵯIqᵯ|}52V,ᑁ~2rᶍKᐰQḄᵯ⊤Aiஹ42453111ᑁ~ᵯRqᨬᜧ89999஺v8ᵯRoq2⌱Ḅ8ᨵ100஺ஹ1k஺ஹ10k஺!ᐵS,n7.*y᝞JA.Uᙊ\]^ᴻ`ᑁYd=20mmB.ᔣ^ᴻ`ᑁVᩭXᵨ7U4X\7LC.c(ᵯ,ᔠ!ᐵS,᦮ᵯ8Hᵯ⊤AA2ᦪᑖ¡¢5LஹL,¢£ᵯḄ8RD.ᦋ^ᴻ`ᑁX\7¥¦§¨*yBஹC,¢£©d¦X\7Lªᵯ8RE.«!S,᦮ᳮᘤᩞ
15®Ḅᡂ°*yv8ᵯRo±⌱.ফ^ᴻ`ᑁX\ḄᵯRxḄ⊤³´Rx=qᵨRoஹRஹhஹL⊤
3ᙠfµC©¦᦮ᵯ8¶ᵯ⊤AiஹA2ᦪᙳ·ᑭᵨ¢£Ḅ¥¸X\7Lª±Ḅᵯ8RḄᦪ:¹ᑴH᝞-ºᡠḄR-LᐵE-;ᑣVᩭXḄᵯ᳛p=6mq¼ᶇK¾ᨵᦔᦪ
ᙠᵨÀ*yÁ)Uᵯ᳛*yᵯ⊤ᑁ~ÂrᶍᑣVᩭXᵯ᳛U48ÃfµU48ÄÅq⌱Æ“Èᜧ”“~”ᡈ“È<”

55ூ᪆௃ூᑖ᪆௃ூ௃E3÷1Xv8ᵯᡠᙠË,ᨬ<ᵯ}5R|Ì=7-=K^FQ=1000Q;ᵯRqᨬᜧ859999஺,lmaxU.UU35U¥¸*yᦪ:v8ᵯR஺±⌱1KQᵯÃR஺ஹA2ÎὶÐÃX\ஹAiὶᡠkᨵ/?÷R+ÑX=&^ᴻ`ᑁX\ᵯRxḄ⊤³´R/÷R+R஺LAcLLAL/,÷/?+&XX,R=o—=n--------=o------=ߟ=--------c4/?/?÷2XᵫᵯvÒ2k3⍝Ôs',dஹ2'Ö×j,ᑣᨵR=ddØ,᪷:⚪Ú7T—17ta1,2'23ᵯ⊤ABA2ᦪᙳ·ᑣᨵR=ÝL-&ᵫ-2k=^=4xl°JT?xl0'42=5XJ0ᐔd-"Tid10x10-2ᵯ᳛2=ß=àáâ”=160஻3ᵯ⊤ᑁ~Ârᶍᑣᨵ-4,ᵯ᳛5᜛=v¼ᢝ~.47.PQRᵨᡭæçᘤU4èᒴéêëḄᱥìḄgé7ᵯI⚣᳛f=50Hz,ᙠîïfᡭHḄæ⌱Hæ©◞4æñ1ᢈóæô¼õ~öîï÷øù᝞-1ᡠAஹBஹCஹDúÀ¦᣸üḄ4ᦪæýÂHᐸ3ᦪæᑮæḄÿ
SA=16.6mmஹSB=126.5mm,SD=624.5mm»_ABJD__________y--•.q1*S«d6.6mni•.//_•__
■ᜮ---12ᵫ
1ᦪḄ!!◞#S*2ᡭCᱥ&Ḅ'(ᜧ*#m/s+,2-ᨵᦔᦪ013ᱥ&Ḅ2'(ᜧ*#+ᵨSAஹSBஹSD4f⊤61ூ8ᫀ௃0.12.5;<——>_75T2ூ@᪆௃ூᑖ᪆௃ὃD“ᵨᡭᘤGHᒴ'JKLMḄᱥ&Ḅ2'(”஺ூP@௃

56(1)[1].ᵯRḄ⚣᳛#50Hz,U◞0.02sᡭVWU◞4W,1Wᦪᦪ,U◞4W,1WᦪᦪḄ!!◞#0.1s
(2)[2].CḄY'(Z[BD\Ḅ]ᙳ'(ᑣ7==2.5m/s*c2T(3)[3].ᒴ2'LMḄ-`ᱯbcḄZ!!◞ᑁḄ-`ᙳᒴeᜧᨵ:BC=AB+aT2CD=BC+aT2=A5+2aT2BD=2AB+3aT2মᔆSB)-2(SB-SA)iম/3SB+2SA)3T2-75T248.ᙠlm2'(noஹpHḄᐵrḄstuvwx᝞zᡠ6Ḅ|}~2*sṹᦋ*4ṹḄpHM(oᘤ)2Ṻ᫜sṺᦋṺ᫜4ṺḄpHm,ᵨoᘤGḄoᜧ*F஺পᵨ|}lm2'(npHḄᐵr(“◤⌕”ᡈ“◤⌕”)]⊝᥅o஺ফᵨ|}lm2'(noḄᐵr(“◤⌕”ᡈ“◤⌕”)Mm஺(3)ᵨ|}lm2'(npHḄᐵrᢝm¢£]⊝᥅o¤*4ṹḄpH¥*,¦MmḄ§¨2'(an'-Ḅᐵrz«¬ḄcoMூ%᪆௃ூ(%௃(1)11].ᙠlm“2'(noஹpHᐵr''Ḅsᵨ|}lm“2'(npH”Ḅᐵr◤⌕]⊝᥅oᔲᑣḄoᜧ*¯Z[*Ḅᔠo±(2)[2].ᵨ|}lm“2'(no”Ḅᐵr◤⌕²#Ḅo~oᘤᩭGHḄ;(3)[3].ᵨ|}lm“2'(npH”Ḅᐵrᢝm¤*4ṹḄpH¥*µ¶M»mḄ§¨·ᯠ¹ᑴFµᦋ*ḄpH»sḄo¼½¾*Ḅ²an¿-ḄM

57178᳛:;ᦑABC┯>D?@஺49.ᱥᳮ;DḄFGᙠὁJᢣLMᵨO᪷QᐰSFḄTUVWXᱥYZ[Ḅ\]^_`aᑣcd]e᝞Mgh(UVijᜐlUឋ▲oᑁ)/(1)ᵨqorstUVḄuᵫwoLo஺(2)᝞1IᡠyzXᱥ{|}~ᙠUVMastUVḄwo(3)᝞12ᡠyᵨO᪷UVᢞXᱥaOUVᔣḄᜳᙳ60஺stOUVḄwoᑖL2ஹL3,⌕YZ[Ḅ\]^_`aᑣ◤Ḅᩩ_»(4)᝞13ᡠyczOUV᦮ᑮSᚖastOUVḄwoL4ஹLs,⌕YZ[Ḅ\]^_`aᑣ◤Ḅᩩ—.ூ£ᫀ௃4=¦2=¦3(4—4)§=(4§4)§+(4-4)-ூ¨᪆௃ூª¨௃(3)[1]«ᔠ[O®ᑖ[\ᑖ¯ᔣ°O®ᑖ[ᜳ120°,ᔠ[WO®ᑖ[ᜧ;S²ᦑUV`³´`FwoSFᓽ¶=&=4
(4)[2]«O®ᑖ[Sᚖᵫ·¸aᳮ¹:»2=ὡ2+2Fᓽ:(£,§4)2=(4—4)2+¾§%)2஺50.ÀÁY;Dᵨ§ÂUVs[ÃW§®´ᘤ²ᘤᩞ“YZ[Ḅ\]^_`aᑣ”ÈÃḄÁYÉÊ᝞1ËaᙠᩈÍÎḄ´ᘤ_Ï\ÐÑÒ§Ëaᙠ´ᘤᙊÔOḄ?ÎAÕÖ§×~ᝅ1W~ᝅ2஺~ᝅ1~ᝅ2পÁYÚÛ᝞M:

58জÁÂGoᢞᙠᝅ1ÅJᔣÇÈÉÊËÈÉÊḄÌᑮÎoÏÇÁÂGoḄ6ᦪF
ঝÁÂGoᢞᙠᝅ1ÑḼᝅ2,Ó᠒ÈÉÊËÈÉÊḄÌÎᑮOᝅ1Õ0஺Öᔣᝅ2Õ120஺ÖᔣÁÂGoḄ6ᦪ#Fi
ঞ᪷ÙoḄ]ÚÛÜÝÞᑣßᝅ1ḄoF/=
টá¥(ᓽãäåoḄ]ÚÛÜÝÞᑣ஺(2)æᝅ1ᵫ0஺ÖᔣÓ᠒çMᑮ60஺Öᔣuᝅ2Õ120஺Öᔣ»sᢝÈÉÊḄÌᙠOMᐵ[ᝅ1Ḅoᜧ*ḄᓄÇᑡÌê¬ḄcoA.⌲ìeᜧB.ᐜeᜧî*C.⌲ì*D.ᐜ*îeᜧூ8ᫀ௃—FFinF/Ḅᜧ*D3ூ@᪆௃ூᑖ᪆௃ூP@௃(1)ঞপ᪷ÙoḄ]ÚÛÜÝÞᑣßᝅ1ḄoF=Ftan30°=—F13টফá¥*4FḄᜧ*ᓽãäåoḄ]ÚÛÜÝᘤÞᑣ±2ফ[3]ᢝᝅ2Öᔣᝅ1ïz6-}ᔣÇÓ᠒çM90஺»sᢝÈÉÊḄÌᙠOᜐMñ½WòoḄᔠoóz᝞Çᦑᝅ1Ḅoᐜ*îe2ᦑABC┯öD¬஺ᦑ⌱D஺51.ø34ùᐰû☘ýþÿᢈ
ᜧ20197ᨴ20-26ᙠᘤᑁᵯḄᵯᓄ!"#$%ᵯ&6V,$%'᳛)3.5W*+ᵯ(-ᙌᵯឤ%)Ḅ12ᱯឋ5-67Ẇ9⌕;ᵯ<=Ḅᵯ&>?@⌲BCDᑮ6V,FGHᜓᨵKᑡᘤᩞN

59A.ᵯP⊤RST1:00.6A,ᑁ)1ST11:03A,ᑁ)0.1஺VB.ᵯ&⊤RST06V,,ᑁWᓟYVC.ZᘤRiRᨬᜧ\10C,$%ᵯP2AD.ZᘤRxᨬᜧ\1750Q,$%ᵯP0.3AE.ᵯ]^Rᵯ_9V,ᑁ*1Q1FG`ᡠᵨḄZᘤc⌱"R⌱e"c”ᡈ"D”ᵯP⊤ḄSTc⌱R⌱e"I”ᡈ"n".
2gᵨhi-jkl-mFᱥoᵬqrᡂtᔠv#FG⌕;Ḅᵯw஺RV
3xᔠyᐵ{ZᘤḄZᱏP,ᦋDᙠᵯ~Ḅᵯ&FG`ᵯ&⊤ᦪᜧIVᵯᡧyᵯḄ12ᱯឋ5-᝞oᡠᑣᵯ-ᙌḄᵯ஺ᵯḄ'᳛W஺Rᶇ<ᨵᦔᦪVூ᪆௃ூ௃
1[1][2].ᵯᡧḄ$%ᵯP/==0.58A,?ᦪḄ¡¢ὃ⇋ᵯP⊤⌱¥STI஺ᵯᡧḄᵯ¦§*ᑣZᘤ⌱¥¨ᵯ10QḄ§*ᓽ⌱¥C஺

60(2)[3].ªᵯ&ᵯP◤?@y¬ᑣZᘤᵨᑖ&¯r°ᵯᡧḄᵯ±*ᵯ&⊤ᑁ²*ᵯᵯP⊤ᵨ᜜r°஺ᑣ´µ!cḄFᱥo᝞¶ᫀoᡠ஺(3)[4][5],ᵯ&⊤ᦪ*IVᵯᡧ¸¹ᵫo»´µ1=0.4A஺᪷½Y¾%¿ÀR=—=——=2.5஺oI0.4ᵯ&6V,᪷½o»µᵯP0.57A,ᑣᵯᡧÁ'᳛P=I2R=0.572X2.5W=0.81Wᑣ'᳛P'=UI-I2R=6X0.57W-0.81W=2.61W=2.6WO52.FG*^“GÄ>Åឤ%¿”ḄFGÇÈ᝞oᡠo`AÉÊËB,CÌᵨÍ-qrḄ<#ᱥᙽDÏ%ᙠᱥᙽC~ḄÍÐᐝᩩ(ÓS´ÔᶍÖ×)EÏ%ᙠÉÊË~ḄØÓ%ZÙFᐝᵯFGÚÛ᝞K:জᵨÞ᪗ᓱáÀÐᐝᩩḄâ¢d,ᵨᜩäᑖåæᱥᙽBஹCḄÓSᑖåèèéèèᵨêë%ZÙḄÍ-qrᱥᙽBéC;ঝᙠÉÊË~᪗í"ÈO,îÀïÈðᐝᵯñòḄó¢h
ঞmᱥᙽC?ÈOᵫ☟ö÷øCDùKúBDù~ᓣüটíþÐᐝᩩDÿᐝᵯḄt,⚪(1)ḄẆ“B”ᡈ"C”ᡈ"BஹCᡂḄ"#”)&(2)'ᱥᙽCᵫ☟,-.ᑮᐸ1ᐝᵯḄ23ẆḄ45678999=(ẆḄ

61;<=5>?8999=@ᵨ3B8Ḅ8⊤D;<7EFGg஺ூᫀ௃BஹCᡂḄ"#Ü*Ý]@9□M99N99ூO᪆௃ூQO௃
1RS3⌕UVW5XឤZᨵBஹCᡂḄ"#GẆ\Zᨵ;<]^VW5\Xឤ,ᦑḄẆBஹCᡂḄ"#஺
22aGbᐝᩩḄdFG9e9ᦑᱥᙽCfᐝᵯḄEFghijkfdḄlᙳEFᓽᡠ'ᱥᙽCᵫ☟,-.ᑮᐸ1ᐝᵯḄ23BஹCᡂḄ"#456781ஹ@pR+R□Np“RpR=$@RR+%NRu=-w'ᱥᙽCᵫ☟,-.ᑮᐸ1ᐝᵯḄ23ᱥᙽCxh,ᱥᙽBᓣh,ᦑBஹCᡂḄ"#;<=5z8G-——Rp--M:p—-@-□——RNMM53.G}B~ᵯḄᑡᘤᩞ:BᵯR@100஺Nஹ4zᘤRK0100஺Nஹ4zᘤR2
010஺NஹᵯRo
0-9999.90ஹᳮᵯ⊤A@8250mAஹᵯE
3V,ᑁᶍNஹஹᵯ.1ᵬaᡠDḄᵯ.জ¢ᙠ¤b3ᵨ¥¦§¨©ᡂᱥᵯḄª«.ঝ4zᘤ⌱@ᐭ°±N.ঞ³´ᐜ¶4zᘤḄ4ᜮ¸ᑮ@⌱“¹”ᡈ“º”N»¼«f½ᐵS
¿ᢝS2Á½ÂᔠSi,Ä4zᘤÅᵯ⊤ᢣ┐ÈÉÊËMÌÍÎÏᵯL.টÁ½Si,¿ᢝ4zᘤÑzÄ᦮ᵯRoᙠ100஺¹º¼ÂᔠS2,Ä⁚RoÅÔᵯ

62⊤ÕᦪGRoḄÕᦪᓽGᵯḄ.(2)×ᑭᵨᵯ(c)ᦋzᵯR0ÕÚᵯ⊤ÛḄᵯI,ᵫBÔḄᦪ´Ú;¤᝞¤(d)ᡠD¤ÞßàáGm,â᳛Gk,ᑣᵯḄG.(3)ᵯᑁÑgᶍḄᑣåᵯ(a)æ(c),çèéᫀBᵯêë?GíîïᵯᑁḄðñூO᪆௃ூᑖ᪆௃ூQO௃(1)@[U.ª¤᝞¤ᡠD:ঝ[2].aGzᘤóᵨᑖôõ«ö,÷øÄ⁚÷éùᡠzᘤ⌱&;ঞ[3].³´¶zᘤḄ4ûᜮÍküÚᵯôᨬøḄᨬ¹»&@[4].᪷ÿ
ᢝᵯᦪᑣ᪷ᵯ᪀ᵯᔠḄᵯ!"RoḄᦪᓽ$ᵯḄ%.(2)[5].᪷'ᔠᵯ(
ᨵE=/(R+&)*+■LJ+&IEEᔠᦪ,-

63(3)[6][7].ᵯßᑁàáâãᶍḄᑣᵯå(a)æçᵯßᑁàèᵨ(a)sᵯàéᨵëì஺54.1ᵬ§îᵨᵯ⊤Ḅðᓄᵯå1஺ᐸ⊤ᜮôᵯõ4=2()()NA,ᑁà4=100Q,R1=2.5C,ö=22.5C,4=2980Q஺ᵬ0প÷ᣚùᐵSᐭ(ü“1”“2”“3”“4”“5”ᡈ“6”)s´ᵯõḄ´þÿᜧ
ᵯA("”ᡈ"ᐭফᣚᐵSᐭ“5”
ᵨᵯ⊤Ḅ(“ᵯ”“ᵯ”ᡈ“ᵯ!”)
ᐸ$%&(3)ᣚᐵSᐭ“3”
ᵨᵯ⊤'(ᵨᩭᵯ!஺$+,
ᐜ./0123
4ᢣ┐7ᑮo9:&;<$ᵯ!Ḅ=>?
@A4ᵨḄB᳛&“xl”ᑣEᵯ!Ḅ!F&ᣚᵨ“xlO”ḄB᳛Gᜧᵯ!
◤⌕JK0123
L4ᵨB᳛“xl”MN
ᵨᵯ⊤Ḅᑁ!PᓄRூTᫀ௃1ᐭᵯ3V01⊤?Ḅ3=>ᜐ10135ூX᪆௃ூZX௃ᣚᐵSᐭ1
ᵯ⊤Lᵯ!Rz[ὶ]
LL^ὶ
_^ὶᵯ!!FG`
ᑣᑖGᜧ
ᦑᣚᐵScᐭ1
ᵯ⊤$%Gᜧ஺[2]᪷eᵯḄ“f.g”hᔠᑁjᵯk'AᵯcAᐭ஺(2)[3]ᣚᐵSᐭ“5”
ᵯ⊤Lᵯ![ὶ
ᵨᵯ⊤&ᵯ⊤஺[4]$%&<[Rஹm/o+ᓰ+4r=3V(3)[5]2⁚0123tuc4ᢣ┐7ᑮ01⊤?Ḅ3=>vwx஺যzB᳛&“xl”ᑣEᵯ!Ḅ!F&10xlQ=10Qo

6412ᵨᵯ⊤Ḅ%ᵯᓽ$ᑁ6ᵯᜧ89᳛$“X1”;2ᵨᵯ⊤Ḅᑁ$15x10=150,9᳛$“xio”;2ᵨᵯ⊤Ḅᑁ$15xl()Q=15()Q,ᑣ2ᵨᵯ⊤Ḅᑁᓄ=135Q஺55.?,@8Aᵨ᝞CᵬᡠEḄFGHIJK“MN
ᳮ”஺QRᙠTUVWXYH=Z[ᐝᵯ]B,^ᙽX`
Zaᐝᩩ^ᙽᵨcdefTUVWghḄ
^ijklmᘤolmᘤpqrᢞtṹv^ᙽwxAᜐᵫ☟|}~஺ᐝᵯ|B}ᐝᩩ012cmᘤஹᛀIIjJL[I|JJJJJJLL|[|IM110111Im|05K)1520:ᵬপ?,ᵨ᪗ᓱaᐝᩩḄd,᝞C0ᡠEᑣ(1=mm஺(2)pᑡFG⌕⌕ḄZ⚗(ᑏ⌱⚗Ḅ)஺A.^ᙽᜧ¡tṹ¢klmᘤḄB.£TUVW¤¥¦§(3)FG;ᢝ^ᙽḄM¢AஹB©Ḅª«L¬ᦋtṹm,®ḄklmᘤḄEᦪF¢aᐝᩩ¯fᐝᵯ]Ḅ;©t,¯f°±²®dឋC´ẆK^ᙽMNᓄjᔠ᜜k·¸¹Ḅᐵ»ᜐᳮᦪ;²®ḄC´(ᑏ⌱⚗Ḅ)஺1I1e2rA.C——B.M-FC.L——D.--F-FFtூ½ᫀ௃2.25BAூ*᪆௃ூᑖ᪆௃ூÂ*௃(1)[1].᪗ḄÃᦪ$2mm,᪗ᦪ$5xO.05mm=O.25mm,ᑣd=2mm+5x0.05mm=2.25mm஺(2)[2].AஹÄkÅƯfklmᘤḄᦑ^ᙽjtṹ¢klmᘤḄÈᐵᦑA¬⌕;Bஹ£TUVW¤⁚¦§ᢝÄdqᔣjᩈͧ☢§ÏÐ᪵ÄkÒ¡ᔠkᦑB⌕Ḅ஺ᦑ⌱B஺(3)[3].ẆK^ᙽḄÓk᪷MN
ᳮ1,FL^-Mv22ᑭᵨ᩽Ö;©ᑁḄ§ᙳØ⊤EÙ;Øᑣaᐝᩩ¯fᐝᵯ]ḄÙ;Ødv=—tᑣFL=-M(-)22t*+

65y9"2FL,1ẆK^ᙽMNᓄjᔠ᜜k·¸¹Ḅᐵ»ᜐᳮᦪ;²®ḄCÚ$Û-/CÚᦑAÞßBCD┯á஺ᦑ⌱A஺56.?FG8Aᑭᵨ⚣ã᯿Ḅqåᙠᨩçᵨ“è¦å”ékêØḄᜧ8ë⚣ãì⚣᳛¡¦èèíḄ⚣᳛;îᑮZðñò`
¬MḄ¦èrᙠó஺ô¦èpíḄ;©©◞$0.1s஺প⚣ã©◞T=0.05s,ö÷«ø¦ùᜮḄ¦èû$ü1è+ý;ü3è¢ü4èḄ©ª$23.75cm,ᑣëᙢḄékêØ$(ÿᶇᨵᦔᦪ)஺(2)⚣◞᦮ᑮ().()8s,ᑣᙠḄ(!“ᔣ”“☟&”ᡈ“ᔣ(ூ*ᫀ௃9.50m/s2ᔣூ-᪆௃ூ/-௃(1)01⚣◞123(4Ḅ5▭7◞894Ḅ(47t=0.3s493Ḅ(47q=0.2sᵫ1,1A2;gx0.32m—ggx0.22m=0.2375m-;g=9.50m/s2(2)[2]ᵫ<⚣◞=<(4◞8>?ὅABCDCᙠEFḄG8ᓽ>?ὅIᔣ஺57.JẆLឋNO=PḄEQNRSTE(JᵯVWḄᵯV᳛85YZ[⌱]Ḅᘤᩞ᝞(aA.Tb0.6A,ᑁVd0.5஺Ḅᵯe⊤B.Tb3A,ᑁVd0.01஺Ḅᵯe⊤C.Tb0.6A,ᑁV0.5஺Ḅᵯe⊤D.Tb15V,ᑁVd30k஺Ḅᵯg⊤

66E.Vi0~lk£2,jkᵯe0.5AḄlmVᘤF.Vi0-10S2,jkᵯe1AḄlmVᘤGVi0~99.9஺ḄᵯVnH.ᵯo3VḄᵯpI.rᐵEtஹvwx(1)᝞yᵬ{|ᐜᵨSᘤSTᵯVWḄy8ᑣᵯVWḄD=mm,ᵨᵨᵯ⊤SᵯVWḄᵯV᝞yᡠ8ᑣᵨᵯ⊤Ḅᦪ—y(2)QNRᵨSTᵯVWḄᵯV8|E(ᡠᘤᩞ8BCᡠᵯg⊤1ᵨ8ᵨᵯe⊤ᦋEᵯg⊤8Iᡠᵯg⊤1ᵨḄᳮᵫ{E;᝞⌕ᦋᡂTb3VḄᵯg⊤8◤⌕¡ὶḄᵯVR=—᝞|⌱£ᘤᩞ¤¥¦᝞yᡠḄᵯ§8ᵯe⊤|¨⌱ᵨ;lmVᘤ¨⌱ᵨ;(3)QN©£ᵯ§¤8SDᵯVWḄª«L,D,ᯠ¤ᦋmlmVᘤlᜮḄFD®tᵯe⊤¯ᵯVnḄxᦪ°8ᐸ²ᵯe⊤AiஹA2Ḅᦪᑖ´ᵨLஹLᩭ⊤8¶·SDᵯVWḄᵯV᳛p,ᑣpḄ⊤¸¹{Eº(ᵨᡠᨵSTḄᱥᳮTḄ¼⊤)(4)᝞⌕½ᵯe⊤AḄᦪ¶¾r¿8À᪷°yᵯ§ÂÃEᩩwᦋÅᙠᵯ§y஺()2ூ*ᫀ௃2.0005.0ÆᵯÇᵯoÈᨵ3V,ᡠᵯg⊤TbÉᜧ4.5AஹCFMRh_141(7,-/)|_^__-——1^2ூ-᪆௃ூᑖ᪆௃ூ/-௃(Dপ᪷°SᘤᦪÌᑣᦪ2.000mm஺ফ¶yÎÏÐD⌱]rᐵÑᙠ“xlᢱÓ᪷°ᦪÌᑣDᵯV5.0C஺(2)[3]ÆᵯÇᵯoÈᨵ3V,ᡠᵯg⊤TbÉᜧ஺[4]ᦋᡂTb3VḄᵯg⊤8⌱ᵨᵯe⊤Aᦋ8◤⌕¡ὶḄᵯV

673-0.5x0.6R=----------------£1=4.5120.6[5]ᵫ<ᡠ½ᵯVWḄᵯVd5C,®ÔḄᵯg1ÕÖ3V,ᵯe1ÕÖ0.6A,½ᵯ⊤ᦪ×8Tb1Öᜧ8ᡠÏᵯe⊤⌱A¯C஺[6]Vi07k஺8jkᵯe0.5AḄlmVᘤViÉᜧ8GØ⁚lmVᘤ¨⌱ᵨF஺"3¥[7]᪷°ᵯVkÚ¯ÛÜkÚ8ᨵL2D2ÆÝPḄ⊤¸¹{TIIRD22
4[8]Æ⌕½ᵯg⊤ᦪ¶¾r¿8ᡠÏᵨᑖg¹Þ8ßᵯg⊤ḄᑁVàáSᵯVᜧḄ8ᦑãᵨᵯe⊤᜜Þ8ᦑå᦮Ḅᵯ§y᝞yᡠ58.ᙠ“SkᵯÇḄᵯo¯ᑁV”Ḅ5Y²8ᨵ᝞(5Yᘤᩞ:áSxᵯpE⁚ᵯe⊤çTb0~0.6A,ᑁV4=2.0஺èᵯg⊤çTb஺é3V,ᑁVd3kQlmVᘤrᐵஹvwxUN
1JQNᵨyᵬᡠᵯ§êë5Y8ᵫ<ᵯ⊤ᑁVḄ23ìíîïðñ8ᐸò⌕óÆ{º2ô◀îïðñ8öᔠᡠᵯ⊤øᦪ8ùEQNᦋᵨyᡠᵯ§êë5Y8᪷°5Yᦪ°;D᝞yúᡠḄyû8ᑣÎ;ᵯÇᵯoE=V,ᑁVr=Qoçöᙳᶇ2ᨵᦔᦪèூ*ᫀ௃ᵫ<ᵯg⊤ᑖevýS;ᵯeà5▭x§ᵯeþ=1.51.0ூ-᪆௃

68ூ/-௃
1[1].yᵬãᵨÿᵯḄᵯ⊤᜜ᵫᵯ⊤ᑁᜧᡠᵯ⊤ᑖᵯ⊤ᵯ▭ᵯ!
2[2][3].ᦋᵨ$%&'᪷)*ᔠᵯ,-./U=E-I
r+s,0ᵫ$ᡠ1ᵯU-I$234$256789ᙶ᪗<L5V,ᵯᵯ=>E=1.5V,$2Ḅ?᳛⊤1ᵯ=>ᦑU1.5B.BB/"+/1=—=—஺=3.0஺A10.5ᦑᵯᑁr=3.0-2.0Q=l.0Q,59.GHIJ⌕LM᪗ᨵ“3.8V,0.3A”O᪵QRLḄSTᱯឋWX⌕YZ[ᦪ)][^_MᑴWXa᦮3cdHI⌱ᵨḄᘤᩞ◀ijᐵஹX᜜mᨵnᵯ⊤Vio[p0~3V,ᑁq3kQᵯ⊤V2[p0~15V,ᑁq15kQᵯ⊤Aio[p0~200mA,ᑁq10஺rᵯ⊤A2[p0~3A,ᑁq0.1Qs=tᘤRi
0~10஺u.ᵯ2As=tᘤR
0~lkC,u.ᵯ
.5A2.<ᵯRK

69Uv,\জᵨᵯ⊤V௃R5ὶ3ᦋᡂ[p஻=o+%r=Ḅᵯ⊤!ᵨᵯ⊤Al5R4zὶ3ᦋ[p/+5=4?Ḅᵯ⊤!ZQRḄ<ᦑᵨᵯ⊤᜜!WXa᦮s=tᘤᵨᑖᦑ⌱¡<ḄR”ᵯ᝞$:ঝQRQ¥Ḅᵯ¦§¨ᓣª«tᜧᦑdHILMyḄI-U$XdB.ூ9¬௃⚪ὃ°i±²QRḄSTᱯឋWXḄ&!⚪Ḅ³9ᙠ⚪ᡠ´Ḅᵯ⊤[pµ〉ᔠᡠ·ᵯ⊤mᵯ⊤µ◤⌕ᦋᡠ⌕4⍝ᵯ⊤Ḅᦋº!ᦋᡂᵯ⊤⌕ὶᑖᵯ!ᦋᡂᵯ⊤⌕zὶᑖᵯ!ᐸ¼½ᑖ¾¿À¿&᪵.60.ᑭᵨ$aᡠ1ᵯZ[Âᵨᵯ⊤ᑁᵯḄᵯ=>Eᵯ“xioᢱᑁ½ᵯḄ¡ᵯRᑁ஺ᵨḄᘤᩞᨵnÂᵨᵯ⊤ÄT⊤o[p10mA,ᵯÅXÆ஺ÇÈÉᑡË⚪nপ{Âᵨᵯ⊤ᢱÍÎᑮᵯ“xlO”ᢱÐ⊤ÑÒ⊤ÑÓÎÔ!ফ{ᵯÅ<Îᑮᨬᜧ0{$aÂᵨᵯ⊤ḄÐ⊤Ñoד1”ᡈ“2”ÙÚÛÒ⊤ÑÛÜÙ஺
3Î⁚ᵯÅÞÉÂßÄT⊤Ḅ1ᦪIᵯÅÚḄ

709d,Eçᑮᐵ;Ḅ⊤éê;6ᙶ᪗Rëᙶ᪗ì;-R$X᝞$cভᵬHI᪷)«:'ᡠ1!ᵫ$çE=V,R=Q.(îïᙳñᶇóÍᨵᦔᦪO)ft(5)dÂᵨᵯ⊤Ḅ⊤ö᝞$dᡠ1ᐸ,-÷¨Xø÷¨<᪗“15”)ᑨúᵯ“xio”ᢱᑁ½ᵯḄ¡ᵯᵬHIḄZ[-&=஺=140E80=200Q(5)[5]ᵫ'()A⊤ḄBᵯ-C,=15xl0Q=150Q

71ᑣᵯ!“xio”ᢱᑁjᵯ§Ḅ¨ᵯ!&150஺©ᵫᵬ«¬ᜐᳮ®¯'A
ᵫ°±ᨵὃ⇋µ¶⊤Ḅᑁ!
᝞¸ὃ⇋µ¶⊤Ḅᑁ!ᑣᨵ0+£EEᵫ'A
ᵬ«¬Ḅ$FRᑁLh¸7¹GᜧḄº»±ᨵὃ⇋µ¶⊤Ḅᑁ!61.;¼¬½¾`¿ᡂᕒᙠcᵨᵨᵯ⊤ᵯ!½¾஺᝞9&¥ᵨᵯ⊤Ḅ⊤?
ᐸ¼⊤?ÃḄÄÅJ⌕jÆᑖÇᵨÄÅÈÉAஹBஹC᪗ËRᩭ
ᯠ]ᙠ$ᵯ!ÍÎÏ%᝞ÐÑABCজᙠ$ᵯ!(,
✌ᐜ./ḄÍÎcÔÕ23
⌕2⁚jÆ,4ᵨᵯ⊤Ḅᢣ┐ᢣᙠ⊤?ᨬדؔᡈ“Ù”ÚḄ3=>vwxঝᯠ]«¬ÜtuC2⁚ᑮ“X100”ḄᢱwঞÜf⊤Þßᑮ×"+”ᡈ“¥”Úà
g⊤Þßᑮ×"+”ᡈ“¥”Úà,Üá⊤Þâ
2⁚jÆ,4ᵨᵯ⊤Ḅᢣ┐ᢣᙠ⊤?ᨬדؔᡈ“Ù”ÚḄ3=>vwxটäᡂ(ÃḄÍÎ]
ᯠ]Üá⊤ÞLå$Ḅᵯ!æçè
ᵨᵯ⊤Ḅᢣ┐éê±ᨵëì7
&Rí`$Ḅî¹஺Ðᑡ⌱⚗¼⌱òóḄjᑖÍÎôõ
^./òóḄ᣸÷,ᨬ]Eᵯ!Ḅ!F஺A.ᵨá⊤ÞLEᵯ!MèB.Üá⊤Þâ./0123C.ÜtuC2⁚ᑮ“xl”ḄᢱwD.ÜtuC2⁚ᑮ“xlk”ḄᢱwூTᫀ௃AØ+—BÙDBAூX᪆௃ூᑖ᪆௃ூZX௃জপফ4ᵨ,⌕./ÔÕ23×jÆA,4ᢣ┐ᢣᔣØúḄ3=>ᜐঞব[4H5n6]Üfஹg⊤ÞᑖÇßᐭ“+”ஹ“¥”ßà
^Üá⊤Þâ
2⁚0123tu×jÆB,4ᵯ⊤ᢣ┐ûüᵯ!Ḅ“0”=v
ᓽ⊤?ᨬÙḄ3=>vটþ4ᵨ¼ÿᣚᢱ⌕ᢣ┐ᢣᔣḄᜐᵫᢣ┐ᜧᵯ!"#$%$&'()*◤,ᜧ-᳛ᢣ┐ᢣᔣ⊤01▬3ᦑ56Ḅ᣸89DBA஺

7262.-ᑴEᵯFGHᱥᳮKLMᑮO᪷QRSTᵯUQRSTᵯUᙠQREᵨXYZ[K76(]^_(`-7ab6)dḄᵯefgYZ6ᓄᐸBRfQRF6ᓄḄ'j᝞'(a)ᡠmKLᢥ'(b)ᡠmᵯoᑴEpOqr᧕“GH”஺ᵯoᵯvᵯwxE=3V,ᑁr=l஺ᮣS⊤z{-10mA,ᑁRg=50C
Ri|(6ᵯᘤAஹB!஺᪷QRSTᵯUᝅ_ᐝᐸᙠAஹB!_஺ᐝ(ᱥGbSTᵯURᐹ᝞XaXbGᱥᔠᐵ⁚(6ᵯR”¢⊤ᢣ┐¥¦bXG§)RḄᱥG,¨ᵯU©ª«4ᔣḄᜳ®-஺c¯ᢝ(6ᵯRiᐭᵯoᵯb6+A⊤mᦪI
dᣚᵨb²§)RḄᱥᢞᙠ_´µ¶OqRB·¸ḄᵯBeᵯ⊤¹º»ᦋ½-R¹º»஺(1)ᑏSTᵯU_ḄQRF©ᱥRGḄᐵ¿ÀF=ফÁ'(a)Ro=lOOC,'jÂ᳛k=0.5Q/N,¨8஺=60஺⊤ᢣ┐ĦᑣƨᱥRG=_________N
(3)ᦋ½ÇḄR¹º»ᐸȹºᙠᵯ⊤(ɓȹº”ᡈ“¥¹º”)ᜐ¹ºÉ“ᙳᒴ”ᡈ“bᙳᒴ(4)Áᵯvᵯwxb6ᑁ6ᜧᐸÏᩩÑb6ᵨÒ“GH”ÓÔÕÖpa×Eᑣ¨zØÙ(É“¦ᜧ”ஹ“¦K”ᡈ“b6ூÚᫀ௃⊤600N¥¹ºbᙳᒴb6ூ᪆௃ூ௃(1)ᵫÜRÝÞßàÖáâ7ᑣ()3=23cos383=ã;(2)åæ()çèᨵᢞᱥᵯ-¥¦ᵯᓽ3=33(3+37+33)ᵫë8:=Z=__.._ᵯ|ĦḄïᐭᦪð8G=600N
<+>?+T+@------(3)ᵫåæ()çQR-Fᵯ-LñA᪷ðᔠᵯoḄë8:

733=3(3+33+37+33)ᵫ'ò()QR©ᵯḄᐵ¿À33=33+3”8:ᵯBI©óRGbᡂõ¹º»bᙳᒴöHḄR÷Kᵯ÷Kᑣᵯ@+@?+2.,+%+:⊤mᦪ÷ᜧᦑRḄȹº¸ᙠ☠ùᵯ⊤¥¹ºᜐ;(4)᪷ð×E{a()çᑁúᜧûü¢8ᵯ⊤¥¦ᑣᵯRiü6Kᓽr+Rigýûþüb6eÿ
஺63.᝞ᵬᡠᵯḄᜧḄᙊᓱ!"#ᙠᵯ%&ᙠᵯḄ'(ᒴᙠᙊᓱ!Ḅ*+ᚖ-./01ᦋ/Ḅᵯ3456ᘤ688◞TḄᵯ34:ᙠᓱ!&ᶇ(<=஺ᵬ(1)>?(ᑡABᢥᐜE᣸G—OজJᵯ3456ᘤKᙊᓱ!LᢝNOPQঝPSᵯ3456ᘤḄᵯTJUVWXᩭঞ[ᵯJᙊᓱ!Xᩭটᐵ^ᵯ3456ᘤᐵ^ᵯ_Ẇaᓱ!&ᶇ(Ḅ0b<=(᝞dᡠ)ᑏghi3Ḅ⊤lm,oᐭᦪrsg0Ḅt(2)⌕sᑮ3Ḅtwxy0z{⌕ḄVᐹU0A.}⊤B.~iC.ᙊD.hᘤ(3)ᑏghi3Ḅ⊤lm3=—,ᢣg⊤lmᔜ1ᱥᳮḄ—oe(ᫀ௃জঞঝটD(0=-——0n1Ḅᙊh("T)Tூ%᪆௃ூ(%௃পᐜ?ᵯ3456ᘤKᙊᓱ!LᢝNOPQᐜJᓱᱏᡭᨬEgᓱᱏᦪrᜐᳮ.ᦑ¢Gজঞঝট_(2)2⌕ghi◤⌕¤8Ḅhi◤⌕Ḅᘤᩞhᘤᦑ⌱D
(3)3᪷rco=——,¨©|

74e

75R/í+&)J2X(K)+I9O)Q=5OQX/_/i60-122বভম.ᵫᵯ±:³ᵯ¿⊤Ai,ᵯ´Añ¶RxòóᑖḄôᦔᵯ´RC=40஺ᵫ^ᔠᵯ±Ḅö÷#øE=/(/?+/?+2+r)2ᓽR=E1--(R+r+r)22ᵫú:³84E=k=V=4.2V30-10û+஽+=10£=42Üsr=0.5C65.«¬⌕0ᵯTḄᵯµÕᑁ´஺ºJᵨḄᘤᩞᨵ¼À0~0.6Aᵯ´5Ḅᵯ¿⊤0þ_´tᙳ6QḄᵯᐵS஺᪷ᘤᩞ᝞ᵬᡠ"Ḅᵯ#ᐸ%⌕'()*᝞+,প.6QḄᵯ/01ஹ3ὶ56Ḅ7ᔠ9:;<=ᑮ?.6ḄᵯR,⊤ABᑡRḄ6஺ফE67ᔠ9:=ᑮḄᵯRᑖGHᐭᵬᡠ"ᵯ#ḄMNJK;L=?7ᵯRMNᵯOIḄᦪ᝞+⊤஺ব<;Sᙶ᪗ஹRVᙶ᪗᪷⊤AᦪᙠXᙶ᪗YZ(:-R\஺(4)᪷\]ᵯ^Ḅᵯ_`E=VJᑁr=Q஺(cdᙳfᶇhiᨵᦔᦪl)

76+:ᦔ1234567⚗RJQ.234691218/ZA0.590.500.430.330.240.200.141.692.002.333.034.175.007.14/(5)pq7ᑭᵨtᵯ#LuvwxᵯRஹ.Ḅ஺EwxᵯzHᐭᵯ#MNKᵯO⊤Ḅ{ᦪ0.25A,;=|LᵯḄQ.(fᶇhiᨵᦔᦪl)(8.4a9.2)ூ~᪆௃ூᑖ᪆௃ூ~௃(3)[1]/0((:-R\

77A-ভফব᪷ᔠᵯ#E=/
7?+=:1Rr—=-1-IEEcᔠ\;x~=,E=2.95V,r=2.95஺মভ᪷ᑖ᪆;xFRஹ==—ᔆ=8.850*I66.v.;

78পᵯO⊤N⌱,_ᘤN⌱;⌱¥ᘤᩞ¦§
2p'(¨©ª«ᵨU1ஹU2ஹIᑖG⊤"ᵯ⊤V]ஹV2ஹAḄ{ᦪᐸᦪ᝞+⊤ᡠ":I(A)0.300.350.400.450.500.55Ui(V)5.685.615.575.515.485.40U2(V)1.441.691.912.162.392.62᪷⊤Aᦪ]=ᵯR¬஺fᶇviqᦪᐸLu________®⌱¥ᡈ“=”
p°ᑭᵨZ⊤L=Ḅᦪ]=ᵯ_`±ᑁᵫ«³ᑖ᪆;xᵯ_`ḄLu________ᵯ_`Ḅ®⌱¥“>”ஹ"v”ᡈ“=”஺
3pºv)ᑭᵨv.»¼ᵯ^E½ᵨ᝞Xᡠ"ᵯ#Luᵯ^Ḅᵯ_`Lu0A¾⁚RÀÁ¾⁚Ri,ÂᵯO⊤AIḄ"ᦪ0,L=Ã7ᦪ஺Ä᪵ᵯ^Ḅᵯ_`ḄLu________ᵯ^ᵯ_`Ḅ®⌱¥“>"ஹ“<”ᡈ"=”஺ூ¡ᫀ௃BF4.8<<=ூ~᪆௃ூᑖ᪆௃ூ~௃
1[1][2].ᵯ^ᵯ_`6V,fÈᵯ5஺ᑣᵯOE61=------=——A=1A+r1+5ᦑËÌ©LuᵯO⊤N⌱ÍB
Îᵯ^ᑁᵯÏqᦑ_ᘤN⌱ÍÏqḄF
ফবভম.ᵫᵯ#;xU2ᵯhÐḄᵯᵯO⊤"ᦪRoAḄᵯOᵫ;xᵯ⊤"ᦪᵯO⊤"ᦪᡂ¨Òᑣ;xᵯḄÓ=Ô=4.8஺ᵫÕ½ᵨᵯO⊤᜜H×ᦑLuḄᵯOØᜧᑣᵫ;xLuqÕ®᝞dᵨᩭLuᵯ_`±ᑁᵫÕ½ᵨÛMᵯ^ḄᵯO⊤᜜H×ᵫÕᵯ⊤ᑖO(ᵨÜÂᵯO⊤"ᦪØqᑣLḄᵯ_`Øq
3[6].ᵫÕᵯ⊤Ý#AᵯOÞᦑᵯ⊤6ÁᑖOᑣt°ᵯO⊤LḄᵯO#ᵯOᵯ⊤"ᦪ#ÐᵯÎtLucdßÌ©Ḅ஺

7967.MNOḄPQRSQT◞VWXYZᐭ\]0^ᑴᡂa

80cᔠà=P—=4x10áজὶãজঝ=,E=1.2Vr=300Q(3)[4J.᪷ᵯᨵ,R=p*;xᵯåḼLḄçqÜçqåḼSḄèᜧÜèᜧᦑ⌕ᑁçq,;½ᵨAB
ᦑ⌱AB„68.ᙠᑭᵨᵯéᡭ°ᘤ(ᡠᵨᵯ^⚣᳛50Hz)“íîïËðឤ”ḄA,পᵨ᝞ᵬᡠ"òóºô=ᑮ᝞Xᡠ"ḄYõEöv.(÷øùÞ)ú(OᙠAK〉üió⌱5.AஹBஹCஹDஹE,LOஹAKḄýþ68.97cm,AஹCKḄýþ15.24cm,CஹEKḄýþ16.76cm,Bxüᙢ
9.80m/s2,┴Ḅm=1.0kg,ᑣᡭᘤᙠᡭOᑮCḄᑁ┴ḄJ,
ḄJJoḄ!
Ḅ"#$஺('()*ᑮᦪ,-.)ᡭÔwᒨᵬ¥2(2)ᵨv⊤2ᔜᦪḄh⊤2ᔜᦪᑮOḄ456ᓃ896h:9᪷<=>ᦪ<22?@ABhḄCDECDḄF᳛⊤2HIᱥᳮḄᦪLMNᱥOPQRSḄTUVឤEᱥ2ᳮ$஺ூYᫀ௃8.008.25\]^ᡭᘤḄ᥅`a
bcda
Ḅefgᙢ
gூi᪆௃ூki௃(1)l]᪷<ᒴopDqḄrsHᑁḄtᙳv!SwḄxCḄ*AE_15.24+16.76xl0-2m/s=4m/s%27~2x0.04┴Ḅ

811,1,\E=/S?=5X1X42J=8.00Jkফ
ḄEp=mgh=mgh=1x9.8x(68.97+15.24)xIO_2J®8.25JoczḄ!
Ḅ"#$=>{ᙠcda
ஹ\]^ᡭᘤḄ▲.~ᨵ᥅`a
vef(2)[4]ᑭᵨ-v2-hCDᜐᳮᦪ<ᱥᵫOPQRSTUVឤmgh=—tnv22ᡠ66ᓃ896஻:9@ḄCD$Q"ḄFpDᓃ-/7CDḄF᳛v!gᙢ22
S69.Hᵨ᝞Cᵬᡠ2ḄḄឋtᙠᐝ¡t☢A£¤¥¦§¤^Bᳫ©ª«¬¥஺ᜐ!"®ᳫᙠAᔣ£°ᳫ±²³Cᵫ☟µ¶஺ᵨ⚣¸᯿ºT»ᑮᳫ¼CᑮBḄ᯿ᱏ᝞C¾ᡠ2஺¿À⚣¸᯿ºT⚣¸◞T,
ᜧg஺ÃYOᑡÅ⚪CABCᵬ(1)Ç=>SÈÉʱ²,Ḅឋ^ᳫ5ËḄDºv஺Ì»◀¿Àᱥᳮ᜜³Ï◤ÌOᑡᱥᳮSḄ(ÑÒ*Yᫀ᪗Ô)஺A.ᳫḄmB.C>A45C.CஹB45D.AஹB45E.Ḅ±²AxF."®/((2)ᵨᡠ⌱ØḄÌÙ¿À⊤2»Ú=.(3)ᵫ!t☢¬$Üᐝ¡Ì»ḄឋÝ^Þ=Lºß(Ñ“áᜧ”“á”ᡈ“ºvூYᫀ௃AD>á1QT2ூi᪆௃

82ூki௃1,ᳫḄD=2ä#å◤⌕ÌᳫḄm,ᳫ5ËḄᜧvÈ6çQÌ»AஹBḄ45'ᔠéQEḄê@ᡠ6AD⚗Ḅᱥᳮ◤⌕Ìᦑ⌱AD஺ফফᳫḄ12E.--mvk2ᵫí☢ᐝ¡ᑣᳫ¼AᑮBîᒴpDqᑣ5ËḄᜧ3Tὶði»Ḅ⊤ñòms?BER-18T2(3)zᵫ!t☢¬$Üᐝ¡ᳫᙠQRSóô᥅`
îõöᓄᑁḄឋøᨵᐰúöᓄᳫḄᡠ6Ì»Ḅឋ!ᐸÞ=L஺70.H=>üᵨ᝞Cᡠ2ḄçQẆþḄᒴoqêþḄ஺þAÿᔜᢱᐝᩩ()ᢱᐝᩩḄL,ᢱᐝᩩd,ᢱᐝᩩᑮᐝᵯ!Ḅx,ᢞ#mḄ$ṹ&'(ᐝᩩḄᢱᐝᑖ*hஹt2஺20(1)ᵨ.᪗ᓱ1&ᢱᐝᩩḄ2ᦪ᝞56ᡠ2ᑣᢱᐝᩩḄd=—cm
(2)9:;<=>◤⌕A⊝᥅DEFGḄHIJK(3)FGA⊝᥅DE:;L<=:;஺MᦋOᢱᐝᩩᑮᐝᵯ!Ḅx,PQ(ᐝᩩḄ11ᢱᐝtlஹt2,RS/~V5W᝞5Xᡠ25YḄZ[k,\]KḄ(ᵨ⚪_Ḅ`a⊤2)஺kd°ூdᫀ௃().650gᣵ$ṹiᩈklmnopqᢱᐝᱏᢱᐝst—2£*mூw᪆௃ூᑖ᪆௃ூyw௃

83(1)[1].ᢱᐝᩩḄd=0.6cm+0.05mmx10=0.650cm.ফ[2].9:;<=>◤⌕A⊝᥅DEFGḄHIJgᣵ$ṹiᩈklmnopqᢱᐝᱏᢱᐝstKব[3ᓅ4].(ᐝᱏ{|ᐝᵯ!Ḅ]ᑖ*d_4}d"2FᑣᵫvK=V+2aL'Ö<×2=Ö<×2+2Ø’24ᓽ(=(+GGd-ᵫ⚪2aL,7=@w'kd2a=----2Lᵫ'mg=
M+maw'M=71.|:;&ᐹ#ḄᵯḄ]ᜧ᝞5ᵬᡠ2i¡¢3cmḄᙊ¤ᙠᵯ¦#i§¨Ḅ©|ᡭ«ᘤᙠᙊ¤Ḅ☢ᙊ¤§¨¯ᔁᙠᙊ¤Ḅ☢#ᡭ«ᘤᡠ±²ᵯḄ⚣᳛50Hz.

84±Sᵯ01234$iiiihiJiiiilµLiih¶111S¶1111·¸6X1:;¹ᐜ±_______}⌱½“ᵯ”ᡈ“ᡭ«ᘤ”ÁᵯÂ.
2:;'ᑮᔁ¤Äᙠᙊ¤#Ḅ§¨i§¨ÅSÆ&sÇ2«ÈḄÉLi,¯ÊËᙊ¤Ḅ¡SÌÅSÍÉḄƧ¨ᥟᣵᯠÅSÆ&sÇ2«ÈḄÉL2,¯ÊËᙊ¤Ḅ¡d2,ÐÑ#ÒÓÔiᦪÕPQᙠ⊤Ö_ᐸ_Ƨ¨᝞56ᡠ2&'ᡭØÙÚ«§¨ÛḄ]ᜧm/s.&'Ëᙊ¤¡5.60cm,ᑣÜ'ᵯḄ]rad/s.
ÝÞᙳàᶇâᨵᦔᦪ`Á
3å᪷Õ&ᦪÕRS秨Û]
vs¹ᙊ¤¡
dḄᐵé5ê᝞5Xᡠ2.ᑖ᪆5Y,ᵯḄ]ᙠ:;|ì_}⌱½“íᜧ”“î”ᡈ“O”Á.ூdᫀ௃ᡭ«ᘤ1.864Oூw᪆௃ூᑖ᪆௃
D:;¹ᐜ±ᡭ«ᘤᵯÂ̱ᵯḄᵯÂK2᪷ÕÜwY]᪷Õ_Üw]K3᪷Õv=or=.oDÝᔠ5WᑨM]ḄOᓄ.ூyw௃1:;¹ᐜ±ᡭ«ᘤᵯÂ̱ᵯḄᵯÂ;2§¨ÛḄ]ᜧ_ó=M=F-ô/õ='8'/õ]__õ/ö=64L/L
3᪷Õv=wr=,cD,÷v-D5WJ|ø«ḄYsO.72.জᙠH“ᵨᓫ᤮&ÐE\]”Ḅ:;çq&ýþÿ
ᑡḄA.⌱ᵨ
Ḅ᤮ᳫB.⌱ᵨ᧕ḄC.!"᤮ᳫᙠ$%&☢ᑁ᤮)D.*!+ஹ-./ᙠ᤮ᳫḄᨬ1.23304ᐰ6)Ḅ!7

85ঝ:$;ᙠ<᜜>“ᵨᓫ᤮ABCDEF''Ḅ!ᵫ3Iᨵᔠ〉Ḅ᤮ᳫMNᑮP%ᙽ᜜RSᑣḄUᙽVW᤮ᳫ᝞YZᡠ\஺^_!Mᵨ`aA᤮OMḄL_b᤮Acn4ᐰ6)Ḅ27rd!7ᵫᑮᕜfT,gcCDEF8=ijk2£,l᪵nᑮḄCDEFḄAopqo____is“ᜧ”ᡈ“
bPwx᤮yzAḄ{|}$;~᤮bV,CY☢ḄncᕜfT',ᵫMnᑮPḄCDEFog=4^2(L-Zூᫀ௃BC
g72_72ூ᪆௃ூ௃
1Aஹb
DḄ
ᓫ᤮⌱ᵨᜧ
Ḅ᤮ᳫᦑA┯Bஹb
ᓫ᤮⌱ᵨ᧕ḄᦑBCஹ!"᤮ᳫᙠ$%&☢ᑁ᤮)"ᓫ᤮ᡂbᙊ┵᤮ᦑCDஹA!7/ᓫ᤮᤮ᑮᨬ.¡¢bᨬ£¤᤮ᳫFᨬᜧ¥$Ḅ¦§¨©ª+Ḅ!7
ᑣᕜfApzᦑD┯
2᪷¬ᓫ᤮Ḅᕜf®T=2஻Jn¯g=°4,}$;ᵨOMḄL_b᤮᤮±
᪷¬Y²⊤´®nµgḄAo±
¶᤮Ḅ·.ᑮᜧᳮU¹ºḄ¨©br,ᑣ᪷¬ᓫ᤮Ḅᕜf®7=2%»n¯T=27r\—,T'=2%½E,ὶ¿n¯g,Ü<஺\gVgVgT2-T273.:$;ᵨZᵬᵯÂ>“AᵯÃḄᵯ)Äᑁ”஺ÅᵨḄᘤᩞᨵ¯A.ᵯÈiᵯ)ÄÉ3V,ᑁÉ10QB.ᵯÊ⊤ViË0~50mV,ᑁb50஺kC.ᵯÌ⊤AiË0~100mA,ᑁÉb2.5஺kD.ᵯÍR
0-999.951,ᨬ
ᦋÏob0.1ftE.BoᵯRiiob2950஺kF.BoᵯR2
ob9950஺kG.ᐵSÑÒÓÔ

86ᙠÕÅ
AḄÖ×ØÙᑡÚ⚪:পBoᵯ/⌱ᵨ;(sᑏᘤᩞá☢Ḅâãäå)(2)ᵨçèVWÔᢥZᵬᵯÂ~Zêᱥì᦮îï+ᩭবòó᝞¯জõᔠS,ö⁚ᵯÍḄo"ᵯÌ⊤Ḅ\ᦪb100mA,!ᵯÍḄob14.3C,ᵯÊ⊤Ḅ\ᦪbUo;ঝùS,úᵯÌ⊤~BûCᵨÔï¥îõᔠS,ö⁚ᵯÍḄo"ᵯÊ⊤Ḅ\ᦪübU஺,!ᵯÍḄob17.0C,ᑣᵯÌ⊤Ḅᑁb஺ঞö⁚ᵯÍoÿᵯḄRi,ᵯ⊤ḄᦪU”ᦋᵯḄᦪ஺ᵯ⊤ᦪḄ᎔ᦪ,ᵯḄḄ᎔ᦪḄ᝞ᡠ!ὃ⇋ᵯ⊤$ᵯ%Ḅ&'ᵯ(Ḅᵯ)*+ᑁᑖ./Vஹ£2(234ᶇ67ᨵᦔᦪ:)஺ூ=᪆௃ூᑖ᪆௃ூ@=௃(1)ABCDE◤⌕HᵯI⊤AJKᵯRLὶᦋNᡂPQRS/0~3VḄᵯ⊤ᵫUᑖᵯ%VWKXYU-Uv/vR\,Zᐭᦪ=%=2950஺ᦑ⌱E஺(2)2᪷ᵯ%_ᳮCᱥbc᝞ᡠ

87
33ᵯÝ⊤Ḅ¢ᦪ#ÞhU°,ᑣ)*à+R=R'ᓽh/?=17.0Q-14.3Q=2.7QA4᪷ÍᔠᵯxḄÏâ£ã=஺Ö8+1+஺Öä×åRv&Ræᐭᦪçè160r160-=-----1--UEREéᔠ⚪0ᡠë´Ḅìí¿20.7=—EÆ·F=2.90Vমï᳛144.9-20.760r0.50~~~Eð·r=12.0஺74.ñòᵯ!ᒹô5õöᦪᵯ!ᘤ
PTCR÷õöᦪᵯ!ᘤNTC஺5õöᦪᵯ!ᘤPTCᙠõᓣùᵯ!úᜧ÷ûõöᦪᵯ!ᘤNTCᙠõᓣùᵯ!ú(ñòᵯ!Ḅüýᱯឋ,

ᵨᙠᑴᵯ஺⌱ᵨᑡᘤᩞᵯRx
10.0஺!Ḅᵯ#$ᐸ&'ᵯ()ᓄḄᱯ,஺A.ᵯ#⊤Ai./ᵯ#10mA,ᑁ1=10஺!B.ᵯ#⊤A23401.0A,ᑁ஺0.5CC.56)ᘤRiᨬᜧ10஺!D.56)ᘤR2ᨬᜧ500QE.9ᵯR3=990C

88F.KᵯR4=140QG.ᵯdE(ᵯ)*12V,ᑁeᶍ)H.ᵯgஹijᵬ(1)CDEᦋk)ᘤkᱏḄ7nopᙠrsᵯtuḄᵯvwxy⌲{|ᜧ~ᙠᡠḄᘤᩞE⌱◤Ḅᘤᩞ⌱Ḅk)ᘤ஺(◤ᑏᘤᩞ☢Ḅ:ᓽ)(2)~ᙠᡠḄᘤᩞE⌱◤Ḅᘤᩞᙠ᪾ᑁḄᵯ%____o(3)rsᵯRxḄL—L᝞ᡠ,NTCrsᵯ$ḄP(জᡈঝ)஺(4)H⊤EḄPTCᵯccᑮPQ9V,ᑁ10஺ḄᵯdtuᑣḄC▭¢᳛/W„(23ᙳ4ᶇ27ᨵᦔᦪ:)ூ¥ᫀ௃Cঝ2.0W(1.9~2.1W)ூ=᪆௃ூᑖ᪆௃ூ@=௃§/⌕¨pᙠrsᵯtuḄᵯvwxy⌲{|ᜧᡠ©k)ᘤªᵨᑖc¬/®¯°⁚⌱ᨬᜧḄk)ᘤᦑC஺(2)[2]§/ᘤᩞ³ᨵᵯ⊤ᦑᵨ´YᑁḄᵯI⊤AiLὶPQᜧᵯR3ᦋNᡂᵯ⊤஺ᵫ¯rsᵯḄµ¯ᵯ⊤ᑁᡠ©ᵯI⊤ᵨ᜜c¬ᵯ%᝞ᡠ

89ব¸¹rsᵯRxḄh—hḄºᙶ᪗ᦋᡂ4%+4!=10004EᓽrsᵯḄᵯᓫ7/V,¾¿ᡂ/rsᵯḄ஺-/¾஺U-/¾ḄÂJᙶ᪗_ÂbḄÃ᳛⊤ᵯ஺ᵯ|ᜧᵯI|ᜧᵯC▭¢᳛|ᜧÄÅᓣÇ஺NTCrsᵯᙠÄÅᓣÇÈᵯÉᦑ$Ḅঝ஺4!M4N9V,ᑁ10஺ḄᵯdḄ஺P/¾■■■■2■整■ca量BBZaCt爵BBExBBaBaᐸJঝḄÏÂᙶ᪗ḄÐÑᓽ/ᡠ⌕¨ḄC▭¢᳛/P="=4X0.5W=2.0Wᵫ¯Ò+ÓÔᨵPKḄÕÖᦑ23Ø/1.9~2.1W஺75.1ᵨ1!ᑖÅÙ᪗ᓱÛPÜ᜜ÝḄÅᦪ᝞পᡠÓᦪ/mmQᵨßàáᘤPᙊãÜḄÝÓᦪ᝞2ᡠÓᦪ/mm஺34'1"1vlir105101ফᙠåæ¬ᵯḄCDEçᵯÛè/20Q,ᵯ⊤éḄᑁè/2kQ,ᵯI⊤টḄᑁè/1஺,Rᵯ%EᵯI⊤Ḅbcëì᝞a!ᡈb!ᡠᵯᵫíìK=îïìE஺J/ᑖ./ᵯ⊤+ᵯI⊤ḄᦪHa!+b!Eᵯ%Ḅᵯᑖ.ð/Rd+62,ᑣñᡈ“&2”!òcóçᵯḄôCõRñ“ᜧ¯”ஹ“ø¯”ᡈ“¯”ùôCR42ñ“ᜧ¯”ஹ“ø¯”ᡈ“¯”ùôC஺

90ூ^ᫀ௃32.71.506a1ᜧbbூc᪆௃ூec௃ᑖgḄh᪗ᓱkElmgn0.1mm,h᪗ᓱkḄokpᦪ32mm,h᪗krs7tugvokrwugxyEᡠ{h᪗pᦪ7x0.1mm=0.7mmᡠ{ᨬ|pᦪ32mm+0.7mm=32.7mmফ~ᘤḄ9ug1.5mm,6ug6.0x0.001mm=0.006mmᡠ{ᨬ|pᦪl.5mm+0.006mm=l.506mm(2)[3]ᵫbᵯ.Ry_2000a_200w"2oo"w"io-ᡠ{ᵯ#⊤ᵨᑁEᓽ;[4]᪷ὶEᵨᑁ_u-uuᓽ3ᜧbQমᵨ᜜ER_uUABᓽ3b஺

9176.᪾ᑁᙠw¡¢ᔣஹ¥¦§☢ᚖªḄᒴ¬®.°3ᵯ±ᙠ®ᡠ²Ḅ³´µEᩭ3®Ḅ·¬gᜧஹᑨ9ᐸ¢ᔣ.ᡠᵨ¹ᑖᘤᩞºᙠ»¼EᐸD½b§☢ᑁḄU¾¿À᪾EᐸÁ¡E&ÃÂĪ¥ÅÆQEª#ᵯÇQRᵯÈQᵯ#⊤QSÉᐵ.Ë᜜ÌᨵÎÏஹᜩ¡ஹÑkvÒÓÔÕ±.(1)ᙠÖ×ᡂᵯ_______.(2)Úᡂᑡo⌕ÜÝḄÞßàজᢥ.ঝäᢝÉᐵSæÉEᙠᡲèᑁéᐭ〉3ÎÏEìDᜐb¡⊝ï᝱Qᯠòᵨᜩ¡ó¼ÎÏÕ3mi.ঞõᔠÉᐵS,÷⁚RḄìᵯ#ᜧ〉ùEᙠᡲèᑁúûéᐭ〉3ÎÏEìDQᯠòp¼,ᵨᜩ¡ó¼________.টᵨÑk3_______.(3)ᵨ3Ḅᱥᳮ3vúµéÿg⊤ḄᜧB=.(4)ᑨᔣḄ,ᔣᚖ☢ᔣ᜜ᔣᚖ☢ᔣ.ூ#ᫀ௃প᝞(ᡠ*+ᜐ-.⊝0᝱ᵯ4⊤ḄᦪI6789Ḅ:;m2DḄ<=>L?@A5nt,CILூB᪆௃ூᑖ᪆௃ூEB௃(1)প᝞(ᡠ

92(2)[2H3n4]ঞ*+ᜐ-.⊝0᝱Fᵯ4⊤ḄᦪI;6789Ḅ:;m2
টDḄ<=>1;(3)(4)[5][6]GᐵSIG7DJKᵯ4DLMNOP67DᡠM*PMg=mig
SQᔠSDJᨵᵯ4UVW=ᡠMᔠPX()DᡠMᔠP[-<=ᡠMḄNOP᝞\m2>mi,ᨵm2g=mig+BILᑣNOPᔣᔣ^᪷`Uaᑣbᔣᔣ᜜᝞\mzVmi,ᨵm2gcmig-BILᑣNOPᔣᔣd᪷`Uaᑣbᔣᔣedᡠfᑣ77.ghijklm᝞(ᡠḄhinoipqrstឤvᐸx⌕z{᝞^:(1)ᱥᙽPஹQᵨᐝḄP<m@XdḄ:ᐝᩩ஺ᡲP,ᜐ-☟0᝱(᝞(ᡠ)ᵨᐝᩩᡠᙠoAᙠdḄᐝᵯ¡B¢Ḅ£h஺(2)¤¥ᱥᙽP¦(oᵫ☟¨©ª^ᐝᩩ«ᐝᵯ¡Ḅ7¢Xt,ᑣᐝᩩ«ᐝᵯ¡7Ḅ¬ᜧv=O(3)b®ᙢḄ*P°¬Xg,Xmipqrstឤv±◤;Ḅᱥᳮ;(ᵨḄᦻµ¶µ·⊤)஺(4)ᑭᵨdf;Ḅhiᦪ`ipqrstឤvḄ⊤¹º.(5)ᦋ¼£h,*½hi,¾¿v2-h(ÀÁ(ÀḄÂ᳛Xk஺ᙠhiÄÅᐕÇÉᑁk=,ᑣipmqrstឤv஺d1d,2(M~m)ூ#ᫀ௃@PḄ:;M,QḄ:;m(M-m)gh=—(M+/஻)(@>7Ï-gt2t(M+77?)ூ᪆௃

93ூ@=௃(1)[1]ᐝᵯûḄüᐝᩩᢱÿᐝḄ᩽ᑣᙳᨵdV--
t(2)ফᱥᙽ᪀ᡂḄᨵ!"#$%ឤMgh-mgh=gMv2+^mv~ᦑ⌕)*"#$%ឤ+◤⌕-.PḄ/.MஹQḄ/.m
(3)[3]1ᐝᵯ3ᡠ-5ᐭ⊤89Mgh-mgh=(ߟ)2+m(—)2ᑣ)*"#$%ឤḄ⊤89(M-in)gh--+m)(—)22t(4)[4]1)*⊤89:;2v------------nM+m<ᙠ>?ᐕAḄCᑁEF"#$%ឤGHyߟ஻JK1LMᩩOPQḄRSTUᐸS᳛M+m78.XY)Z[Ḅ\]ᑭᵨ᝞JᡠaḄY)bc)*"#$%ឤGHY)def᝞gḄh(jkḄᜧZmᶍ)জjᙽᵬrᙠstuvwjᙽxyᙠzᨵ{jᑺḄ}Tᩚw᦮stuvstuvḄ〉crcᐝᵯ3Y)ᐝᩩḄᢱᐝt
ঝ1jᙽᵫJḄcrrjᙽḄTঞ-jᙽᵬஹxḄ/.M=0.20kgஹm=0.10kg,ᙢg=9.80m/s2஺

94gᑡ⚪প᝞Jᵨ᪗ᓱ£-¤ᐝᩩḄ¥d=cm
ফY)Z[ᙠY)\¦§gᱥᳮ.def-.ᐸᨵ©⌕Ḅ-.L(«¬)A.jkᑮ}TᩚḄ¯°L=0.6()mB.jᙽᵬᑮjkḄ¯°a=1.50mC.ᱥᙽᵬḄᐝᩩᑮᐝᵯ3Ḅ¯°b=0.40m(3)ᐝᩩ±Oᐝᵯ3jᙽxḄ²+³vx=
(4)<-.µ1=s,ᙠ>?ᐕAḄCᑁḄ"#$%ឤ஺(¶ᶇᨵᦔᦪº)d(L+b)ூᫀ௃0.42()AC+70.0020ᡈ2.0x10-3ூ¿᪆௃ூᑖ᪆௃ூ¿௃(1)ÃÄ᪗ᓱ£ḄÅᦪᵫÆ£Åᦪ᪗£Åᦪ[ᡂᐝᩩḄ¥d=4mm+4x0.05mm=4.20mm=0.420cm(2)2ÇY))*Ḅ"#$%ឤᓽÉÊḄË$ÌÍÎḄÏ$ẆÑjᙽᵬÒÏᑮᐝᵯ3ḄOÓÉÊḄË$Ô=஻2gJ(L+b)2-1ÎḄÏ$1,1,wḄᐵ᝞JVxᑣᨵ

95yl(L+b)2-I?×ߟL7+77b-ᦑ©⌕Ḅ-.jkᑮ}TᩚḄ¯°L=0.6()m,ᱥᙽᵬḄᐝᩩᑮᐝᵯ3Ḅ¯°b=0.40m,ᦑACÖ×B┯>஺ᦑ⌱AC஺(3)[3]ᑭᵨ᩽ᑁḄᙳ⊤aᐝᩩ±Oᐝᵯ3jᙽᵬdVi"=7᪷ÛwḄᐵÜjᙽxḄd(L+b)VD--7ÝM—t^L+bY-1}(4)[4]ᵫ(2)Ḅᑖ᪆Ü"#$%ឤᑣEFmgJ(L+A)2Mß=
A/Vqi+^/nvl¿¤t=2.0xl0Js79.X\]ᵨJᵬᡠaḄY)bc)*"#$%ឤGHAஹBàGᙠáâãwḄᐝᵯ3äᵯᾯZᳫ±Oᐝᵯ3ḄçᵨèbcẆÑZᳫgéÒÏOÓḄ"#$êë஺äᵯᾯZᳫ±OAஹBᐝᵯ3ḄᐝᑖìL஺íᙢḄg஺পᵨ20ᑖ᪗ᓱ£-.ZᳫTîd,ïU᝞Jxᡠaᑣ"=cm
(2)f)*ZᳫñAᑮBOÓ"#$Lᔲ%ឤ+◤⌕deóôY)-.MA.ᵨᜩ-ZᳫḄ/.B.-Zᳫᑮᐝᵯ3AḄ}TöᙳC.AஹBᐝᵯ3QḄ}Tö஻(3)᪷ÛY)-¤Ḅᱥᳮ.᝞÷EFᐵᓽ$*øZᳫᙠñAᑮBOÓ"#$%ឤ(4)<äᵯᾯ+fZᳫñAᑮBḄÇY)+§-.ᙢḄᑣg=o(çᵨ஺ஹ஺⊤a)

96ddூᫀ௃1.025C=2g஻t-t27ஹ2ூ¿᪆௃ூ¿௃᪗ᓱ£ḄÆ£ï10mm,᪗£ï5x0.05mm=0.25mll1,ᡠ§ZᳫTîd=10mm+0.25mm=10.25mm=1.025cm(2)[2]᝞÷"#$%ឤᑣZᳫÉZḄË$ÌÍÎḄÏ$ᑣ,11mgn——mv^2——mv\2ᓽ,11§h=-v2--v;22ᡠ§ù◤⌕-.ZᳫḄ/.஺ẆÑḄOÓLZᳫᙠᐝᵯ3Ḅ$.:ᓄ◤⌕AஹBᐝᵯ3QḄ}Tö஻஺ᦑAB┯>CÖ×஺1,1,(3)[3]ᵫ§wᑖ᪆Ü᝞÷EF/஻8஻=5ü(M5”ᓃᓽ$*øZᳫᙠñAᑮBOÓ"#$%ឤ஺þd_=2gh4(4)[4]᪷Ûᒴ
Ḅ
ᐵu=%+G,ᨵddg=--------------r-Artjkt280.ᵨᐝᵯᘤᘤᩞ“ឤ”Ḅ᝞"ᡠ$஺ᙠ'ᙽ)*+,-ᐝᩩ/'ᙽ0ᙠ123456)7ᵨ89':Ḅ;<=>ṹ@Aᐝᵯᘤ*+ᙠBᜐ஺CD'ᙽ(F-ᐝᩩ)ḄHIJ">ṹLHIJM-ᐝᩩNJd,56)'ᙽḄOPQRASᑮ3SḄUVJL,WᙢḄYZM
Jg஺['ᙽᙠ"$AQR\0]ᐝᵯᘤ^_`-ᐝᩩa9ᐝᵯbḄJAt஺'ᙽcASᑮ8SḄ9de'ᙽ(F-ᐝᩩ)=>ṹfᡂḄhYZiḄjkIJ

97ḄmMIJonᙳᵨ⚪eᡠqrs⊤$uØṹூw᪆௃ூᑖ᪆௃ூ{w௃[1]'ᙽcASᑮ3SḄ9de'ᙽnF-ᐝᩩu=>ṹfᡂḄhYZiḄjkIJmgL஺ফa9ᐝᵯbḄ
ᡠ}hmMIJ1...ஹ2zÚ(M+m)d-~(M+m)v-0=--------%—22(°m81.J~CI,Ḅᵯ᳛:I.ᐜᵨᵨᵯ⊤xlOᢱCᐸᵯJQ,ᯠ]ᵨCᘤCᐸJmm,᪗ᓱCᐸmm.H.J~j◤,Cᐸᵯ◀C᜜¡¢ᜓᨵḄᘤᩞ᝞`:A.ᵯ¤⊤nId3V,ᑁ¦J15ZCB.ᵯ¤⊤nId15V,ᑁ¦J75ZQC.ᵯ§⊤nId3A,ᑁ¦J0.2஺uD.ᵯ§⊤nId600mA,ᑁ¦J1CE.'ᘤOTC,0.6AF.'ᘤ0-2000஺0.1A

98G.ÛᵯÜX3VḄ4ÝÜᵯÞEH.ᵯßàI.GᐵS,áâãXmä;åæjhiᦪ`ᑣdfᘤᩞJ⌱ᵨḄhiᘤᩞ◀GஹI᜜±◤Ḅ(ëìí)•ïᙠðâ᪾ᑁklᨬᔠᳮḄᵯó(______õ¥(Ḅhᱥâ.᝞\ö÷øùXD,>XL,ᡠᵯÜXU,ᵯ4XLᑏlûᵯß᳛üº________.ூB᪆௃ᵫ(åᵨᵯ⊤býᵯßßþ6.0xl஺=6.()஺ᵫ(ÿ
ᘤᐸᦪ2m/n+9.5x0.0Imm-2.Q95irun,ᵫ᪗ᓱᐸᦪ10x1Otrun+3x0.05/mz=100.15mm
◤⌕GᵯIᐵᵯᵯ3V,!ᵯ"⊤E3$⌱A.&'(
ᵯ)Ḅᨬᜧᵯ-./=G=/A=0.5A,ᑣᵯ-⊤$⌱D.12ᵯ34ᐰ67R6.0R6,89:;)ᘤ$⌱E.ᦑ⌱ADE

=>ᦪ?:;)ᘤ$@ᵨᑖ"CDE—=7=6,KA1I=JK=250,ᑣᨵ4>5,ᵯ-⊤$@ᵨ᜜CDᵯ3᝞ᡠR6RRA

99᪷©ᵯª"A«ᱥᵯª"᝞"ᡠ$(
PJH.R=p—=p----------UTFUD2ᵫᵯ®¯°s±n2-,²³´`ὶ¶D82.᝞"ᡠ$ᵨHIJmḄYᱥa9':ᱫ¸¹º»ᙠᩈ½)ᡭSᘤᙠ¿À)^_¹ḄÁÂ஺ᑭᵨÄ+R®}Åᡂ“ÆÇÈ´”Ḅ஺QRSTᡭV;XYᘤ1e◤⌕2⊝᥅ÌZÍᐸÎZÏÐÑÒ/ᩈ½ÓÔᵨ4ᩈ4ÕᙠÖᢞYᱥØᘤᡭSḄÁÂ`ÙÚ,`¹Û¹ÜḼ¿Àᙠᩈ½)a9¿Àᑨß¹ᔲᒴ
âeãᡭSᘤᙠ¿À)ᡭḄS᝞"ᡠ$a9¿À®ᑨß¹7Öᒴ
ä®a9}`åæçᦋn,uA.â¿ÀᵬÔ=¹@Aᑣëᢝᩈ½ᙠí☢)ḄQRÖïᙠð4ᩈḄQRñᣚÕñóḄ4ᩈᓽ®B.â¿ÀᵬÔ=¹@Aᑣëᢝᩈ½ᙠí☢)ḄQRÖï/4ᩈᔣö2÷〉WQRᓽ®C.â¿ÀùÔ=¹@Aᑣëᢝᩈ½ᙠí☢)ḄQRÖïᙠð4ᩈḄQRñᣚÕñÕḄ4

100ᩈᓽ®D.â¿ÀùÔ=¹@Aᑣëᢝᩈ½ᙠí☢)ḄQRÖï/4ᩈᔣÓ2÷〉WQRᓽ®(2)úûᔠᳮḄåæ2⊝᥅ÌZ]þPç"ÿ
ᡭᘤᡠᡭḄḄᑖᙠ◞⌱ᦪAஹBஹCஹDEᦪ஺"#ᡭᘤᡠᵨḄᵯ&⚣᳛50Hz,ᑣAC*Ḅ+,cm,./01Ḅ234a=m/s2(6789ᶇ;<ᨵᦔᦪ?)0cm12345ூBᫀ௃AC1.23(1.21~1.25)0.24(0.23-0.25)ூE᪆௃ூGE௃(1)[1]AB.HIᵬKL01MNᵫPQ.#01R23STUVW⊝᥅Z[4ᑣ\9ᢝ^ᩈ`ᙠa☢Ḅ

101ᵫuqw0.23m/s2~0.25m/s2ᙳo஺83..|}~^Ḅᵯ᳛஺1ᐜᵨ}ᘤ}78᝞PᵬᡠᐸvᦪImm,ᵨ4}^478᝞PQᡠᐸvᦪImm.-2502ᓽV-2(»,7585960154-P
2ᑭᵨᑡᘤᩞᵯ¡¢ᙢ}¤Ḅᵯ¥¤Ḅᵯ¦§100஺஺ᵯ&E¨ᵯT©10V,ᑁ§10஺«rrᵯ¬⊤A¨®0~250mA,ᑁ4=5஺«rᵯ¬⊤A?¨®0~300mA,ᑁ§5஺«r¯TeᘤR]¨ᨬᜧ²10஺³~ᵯ¬2A¯Teᘤ&¨ᨬᜧ²1000஺³~ᵯ¬1A
µᐵS·¸¹Hº஺জ¼½¾᪷À⚪ÂÃÄᫀ¨P«¯Teᘤ\Å⌱ƨǓR”ᡈ"¦”«rঝÌᙠPÍÎᵯP⊡ᐙÑ᦮Ó᪗VᘤᩞÕÖ;ঞŽ¾}/ᑮᵯ¬⊤AḄvᦪ0ᵯ¬⊤4ḄvᦪÚᑣ¥¤ᵯḄ6ÛB=,Ýgᳮßᐸ}²Là²Má¨Ç“ãᜧ”“ã0”ᡈ“M䔫஺ூBᫀ௃3.700601.0RiூE᪆௃ூGE௃
1[1][2].}ᘤ}vᦪI3.5mm+
.01mmx2
.0=3.700mm
ᵨ4}^4vᦪI60.10cm=601.0mmo
2জ[3].¼½¾᪷À⚪ÂÃÄᫀ¯Teᘤåᡂᑖçᵯᑣ.#\Å⌱Ʋè0ḄRi;ঝ[4].᪷Àéêz.#Í◤ᵨ"#ᑁḄᵯ¬⊤Aiᵯç⊤}~ì}ᵯḄᵯçᵯ

102P᝞Pᡠd;ঞম[6].᪷ÀᵯP.#CÝgᳮßᐸ}²Là²MáMä஺84.ᵬ0íᑭᵨPaîcïðñòóôឤ~ö.÷0øᳫÝú⍝Ḅd½k4hᜐ☟þÿ
⍝ḄH,ᳫḄ⍝Ḅs.
g10m/s2
1⍝ᐰᐝ
s2hḄᳮᐵ!s2="ᵨHஹh⊤&'.K【HB::::..UB::•<】I»«"U::»«.»:::::.MB.::.::-;:"MM;.;::::二;;mM.•::u.••»•B::!!—:;H.<】::i:;E:"♦:=i»:«:mS一<\::::】p•«1n.rS::j:x:wBXXi::B;.:J"5ln::)::二n%::二::1:1
2)b*)+জ᪷./01234
567Ḅs28ᐵ)+9)+ঝ᪷.ᳮ;<=ᑮḄs2-hᐵ)+.?@/034
ABCDE☟GHḄᳫ
/▭J7ḄK᳛"⌱O“8Q'’ᡈ"ᜧQ”'ᳮX.⌼ᡂ[\]^Ḅ_`abc.d/08eᑭᵨD᪵Ḅhi“jk⚣m᯿opqJrs*Ḅtu`vឤ”.xy20zkgḄ8ᳫAᵫ|}i☟GH
ᵫ⚣m᯿o=ᑮ᝞)cᡠ&Ḅ8ᳫ}i&)
O8ᳫḄJ7.
3᪷.8ᳫ}i&)_ᑨmᐝ◞s.
4O`,8ᳫAᙠOḄtu`J
8ᳫAᙠCḄ`J,

103s`_____J,tu`______J.ூᫀ௃(l)4Hh(2)8Q⍝8ᳫᙠ᥅ᡈ8ᳫḄkᜧ(3)0.1(4)0.1125-0.80.91250.1125ூ᪆௃(1)?Q8ᳫ☟GHᑮJ7[+rs
rᵨs`ᳮẆq=1,mgh=dmv2=v-yjlgh?QJrs
rᵨJrsḄ¡=7ᙠ¢£¤ᔣH=1gt2ᑣᨵ¨=ª.....জᙠ¤ᔣs=vt.................ঝᵫজঝ=s=2/Hhᡠs2=4Hh(2)?@/034ᳮ;<=ᑮḄsJ-hᐵ)+*ABCDE☟GHḄᳫ
«¬ch|EᐹᦪX
ᳮḄs2ᦪXᜧQ/0Ḅs?ᦪX
᪷.Jrs¡¯⍝DErsE
ᡠ/0*J7ḄK᳛8QᳮX.sZ-hᐵ)+*ᑖ᪆=7ᳫJ7ḄK᳛^ᓝᑖ²℉
´⌼ᡂµ¶]^Ḅ_`abc8ᳫ⍝ᙠ᥅
ᡈ8ᳫḄkᜧ⌼ᡂḄ·kᜧ9ᵫQ᥅·¸¹ºᜫ¼½ᑖtu`
ᡠ⌼ᡂ/0*J7ḄK᳛8QᳮX.(3)᪷.¾y=gT2=T=s=0.1.V,005x4(4)¿OÀEÁB
᪷.rsÂÃÄ=ᓃÆÇ᧖j=1É/5,ËK=*3=15/%/5,ᡠ8ᳫAᙠOḄKvo=l.5m/s,0.18ᳫAᙠCḄK%=+J999+0.1X10)28ᳫAᙠOḄtu`Eo=O+'xO.lx(1.5)M.1125J2bO8ᳫḄJ7
ÑO`
ᑣ8ᳫAᙠCḄ`Ep=mgh=-0.8J
ᙠCḄs`E=-mv?=0.9125J
kC28ᳫAᙠCḄtu`Ec=
xmxvc2+(-mghoc)=0.9125-0.8=0.1125JÒÓ⚪ÕḄÖὃؼ?tu`vឤ/¡Ḅᳮ
ᨵEḄÙÕឋ
ÛÜḄὃؼÂÝḄÙÕÞß
àáJrsḄᜐᳮ¤ã
Jrsᙠ¤ᔣµ¸ᒴK£+rs
¢£¤ᔣµ¸Cᵫrs.85.8åDÂᑭᵨæᐝçèÖᙊê12ëᙊìíᴻẈḄᢚñ᳛
᝞)2ᡠ&còóᵨôtõ᤬Ḅ|÷/

1040Bø)
ù⁐cûᩩᐝ+
ýÜæᐝç
ᯠÿᙊᴻẈ┐ᙊ᠒5஺,ᐝ—ាᜫ⌱"জ$ঝᡈঞ($)*+,-ᡠ/01ᙊ2ᴻẈḄᢚ5᳛n=.ூ8ᫀ௃ঞ஻=⊈ூ>᪆௃ᙊᴻẈ┐ᙊ᠒5஺$ᐰA5$ᐝঞាᜫBCḄDEFC=45஺$ᑣ+,-ᡠ/01ᙊ2ᴻẈḄᢚ5᳛஻=—=H=V2.sinCsin4586.ᑭᵨ᝞LᡠMḄᵯOPQR/SᵯT⊤ᵯV⊤ḄᑁX$YQR/SᵯZᵯ[ᑁX$ᡠᵨᑮḄ]^ᘤᩞᨵbcdefḄg/ᵯZᑁXrhF1஺(ᵯXiRiᨬᜧXlF999.9஺(ᵯXiR2ᨬᜧXlF999.9஺(ᵯT⊤VᑁXmn(ᵯV⊤AᑁXmn(ᮣpᵯVqG,cdrᐵSiஹS2u⌕]^wx᝞ybজᢥL{|ᵯO$}⁚ᵯXiRiR2ᨬᜧ$ᔠrᐵSiS2,A}⁚RiR2,ᵯVqGḄMᦪF0,ᵯV⊤AஹᵯT⊤VஹᵯXiRiஹᵯXiR2ḄMᦪᑖF0.40Aஹ12.0Vஹ30.6Cஹ28.2C
ঝA}⁚ᵯXiRiR2জḄᵯXlf($ᵯVqGḄMᦪF0,ᵯV⊤AஹᵯT⊤VḄMᦪᑖF0.60Aஹ11.7V,8yᑡ⚪bপwxজ$ᵯVqGḄMᦪF0$ᵯOABcḄᵯ[UAB=V
ACcḄᵯ[UAC=V
ADcḄᵯ[UAD=V

2ᑭᵨwxজḄ/SᦪQR0ᵯT⊤ḄᑁXF஺$ᵯV⊤ḄᑁXF஺B

105বᔠwxজwxঝḄ/Sᦪ$ᵯZᵯ[EFV,ᑁXFftoூ8ᫀ௃012.0V-12.0V1530஺1.8஺12.6V1.50ூ>᪆௃ூᑖ᪆௃ூ>௃প]ফ[3].wxজ$ᵯVqGḄMᦪF0$ᵯOABcᵯ[e,ᓽABcḄᵯ[UAB=0V
ACcḄᵯ[ᵯT⊤ḄMᦪ$ᓽUAC=12V
ADcḄᵯ[UAD==-12V
ফভম.ᑭᵨwxজḄ/SᦪQR0ᵯT⊤ḄᑁXFU12&=s7=---------Q=1530Q0.4-------/?,30.6ᵯV⊤ḄᑁXFU17t=u0•]v=---28.2=1.8஺4120.4বয£.ᵫᔠᵯO¥¦§¨Q02E=2Uc+I-2rAᓽ2E=24+0.8rfᳮ2E=2U,.+l'-2rACrᓽ2E=2xll,7+0.6-2r>0E=12.6V87.ªf«ᵨ᝞LᡠM¬®“°±²³´ᔠµᐵ¶”Ḅ]^஺/0¸¹(»¼ᐝᱏ)Ḅ¿SFMÀᙢḄµ²³´Fg஺(1)]^Ã$ᵨÄ᪗ᓱÇ/¼ᐝᱏḄÈ´$Mᦪ᝞LᡠM$ᑣ¼ᐝᱏḄÈ´Fcm஺(2)FÉḄʵËÌṺṺ᫜Ḅϵ$ÐÑo

106A.ÒᩈÔḄÕÖ〉ÀØÙ$RÚ⊝᥅ݵB.ṺṺ᫜ḄÏ¿SÞ¸¸¹Ḅ¿SC.{|¸¹ḄÉÒᩈÔÚßD.฼ᐝᱏḄÈ´(3)}⁚¬$¸¹ᵫ☟âãä$ᐝᵯå{|ḄqᘤæM¸¹çèᐝᵯå¼ᐝᱏḄ¼ᐝé/,⌕/S¸¹ëḄ²³´$ì◤⌕/S_________("ᑏ◤⌕/SḄᱥᳮSñò)$óôᱥᳮSᵨx⊤M$ᑣ¸¹ëḄ²³´ᜧ¸F.(ᵨ/0ḄᱥᳮSõö⊤M)஺(4)÷ᢝ¸¹ù,ãäḄúû$ᐝᵯåḄúû$ᦋûṺṺ᫜ḄÏ¿S$Â]^$/0ýþ¸$¹çèᐝᵯåḄ¼ᐝéÿṺṺ᫜Ḅ஻ᙢ᧜ᱥᳮḄᐵ__________("“$%&,'')%*”,“᪷-.”ᡈ‘᪷-")3456Ḅ%ᩩ89Ḅ:⊤<%=>$?@AᔠCᡂEF஺121ூIᫀ௃0.670BLMNO>PᐝᱏᑮᐝᵯUḄVWJm--2xt2t2ூZ᪆௃ூ\Z௃(1)প^᪗ᓱabacᦪ0.6cm,^᪗ae14ᩩf@Abagh%-f@ijᑣ^᪗cᦪ14x0.05=0.70mm=0.070cm>ᡠmᨬocᦪp0.6cm+0.070cm=0.670cm«(2)[2]qrᩈtḄuv〉3xymz⊝᥅}C~:ḄCNOᑮḄᔠ᜜C⌱⚗A┯;ṺṺ᫜ḄNNOḄm:ḄCṺṺ᫜ḄC⌱⚗BE;NOḄ:Arᩈtz~ᢝNOᑮḄᔠ᜜C⌱⚗C┯;NPᐝᱏḄ@yNO?@$?@Ḅ@⌱⚗D┯஺(3)[3]ভ◤⌕LMNO>PᐝᱏᑮᐝᵯUḄVWNOḄ$?@%a=———--=----2x2xt2(4)[5]ᵫmg=MJ2xt2¡d2M1m=---------2xgt1ᙢ᧜ᱥᳮḄᐵ஻3456Ḅ%ᩩ89:>,⊤<%=>$?@AᔠCᡂEF஺

10788.hᵯ¢Ḅᵯ£¤ᑁ¦§¨©ª᝞¬ᘤᩞpᵯ¦¯R,=°ᵯ¦Rn,±²ᵯ³⊤AiஹA2,ᵯµᓫᑐ¸¹ºᐵS2,»ᵯ¢¼:½¾.§¨NÀᡂᕒÂÃ᝞ᵬᡠÅḄᵯÆ.ᵬ(1)ÇᔠᵯµS1,Ⱥᓫᑐ¸¹ºᐵS2,É⁚ᵯ¦¯Ḅ¦°R1,cᵯ³⊤A2ḄÅᦪIO;qᓫᑐ¸¹ºᐵS2ᔠᔣ1,É⁚ᵯ¦¯Ḅ¦°ᵯ³⊤A2ḄÅᦪÌIo,Í>ᵯ¦¯¦°R2,ᑣᵯ³⊤AIḄ¦°RAI=.(2)qᓫᑐ¸¹ºᐵS2ᔠᔣ2,ÎÏÉ⁚ᵯ¦¯Ḅ¦°ÐÑÒÏÉ⁚ÓḄᵯ¦¯Ḅ¦°Rᵯ³⊤AiḄÅᦪI,§¨NÀᡂᕒᡭÕᵨᑖ᪆IARḄᐵmᵯ¦¯ᵯ¦RØÙ~:,ᑣÚÙyÛ.A.IB.12c.1/1D.1/I2(3)½¡ᵯ³⊤AiḄᑁ¦1Q,=°ᵯ¦Ro=2d᪷Ü(2)⌱ÛḄyÙy-R᝞ÝᡠÅᑣᵯ¢Ḅᵯ£¤£=V,ᑁ¦r=C.(4)ᢥ᯿᧨âᫀḄᵯ¢ᑁ¦°____.(⌱"“ãᜧ”ஹ“ãN”ᡈ“姰”)ூIᫀ௃R2-RI;C
3
0.9
姰.ூZ᪆௃ூ\Z௃(1)ᵫ⚪çèᵯÆᵯ³ᢝᵫÇᔠᵯÆéê=ëèᵯÆᵯ¦ᑣᵯ³⊤ᑁ¦±ìíî¬ᵯ¦¯¦°ïᓽpRAI=R2-RI;(2)᪷Ü⚪çAÅᵯÆèᵯ¢ᵯ£¤pE=/(r+%+R+R,",᦮ᳮ¡p
=+,¡ᑮ:::-RCEABD┯.(3)ᵫ'—A:èp♦='—4+ᔁ=1.3,,1A/2.6-1.31,Z¡ᵯ¢ᵯ£¤p/Fk=—=——=---------=—ER3.93E=3V,ᵯ¢ᑁ¦pr=0.9I2
(4)§¨ᵯ³⊤AiḄᑁ¦ᵫ(2)(3)èᵯ¢ᑁ¦Ḅ°å§°.89.hNÀᑭᵨᡭ6Ã>ᘤõö÷ᙽAù☘Æ☢Ḅ£᥅}üᦪ஺ýõö÷ᙽ%)?@ᐸÿ
ᡭ
Ḅᑖ᝞ᡠ஺ᡭᘤᡠᵨᵯḄ⚣᳛50Hz,
᪗Ḅ!"#$%&'ᨵ4"ᡭḄ)*+,-ABஹBCஹCDஹDE&Ḅ/0ᑖ1

108x=1.20cm,x=6A9cm,x=11.2lew,x=16.23cm,ᙠABCDE4"5ᡭᘤᨬᐜABBCCDDEᡭḄ8ᙠᡭDᱥᙽḄ;<ᜧ>—m/s@Aᶇ3CᨵᦔᦪFGHIJᙽKL☘N☢&Ḅ᥅QRᦪ@Aᶇ1CᨵᦔᦪFgS9.8m/s2.f[T]BZUூWᫀ௃E1.370.5ூZ᪆௃ூ\Z௃]|IJᙽᙠL☘N☢_ᒴa;bcd;ᙠ#gḄ&ᑁ!ᦪ&Ḅ/0eᩭe>ᡠiᡭᘤᨬᐜᡭḄ8EH[2]ᵫ⚪!"#$%&'ᨵ4"ᡭḄ)*ᡠi!"#$ᦪḄ&lT=0.1s,᪷nᒴo;bcd5&5Ḅ;wᐭᦪnZylVD=L37m/s
ব᪷nᒴo;bcdḄ{|}~#x=aT2i;<Ḅᜧ>yl__X"+X/iC_XCD_XDEߟ4pwᐭᦪnZyla=-5m/s2IJᙽ᪷nᨵ:—jumg=maZyl஻=0.590.Ẇឋ>ᵨ᝞ᡠḄ,-ᩈᙽKᩈ&Ḅ᥅QRᦪḄᘤᩞᨵ:ḄᩈஹᨵḄᩈᙽஹṹ¡¢ஹ£c¤;<¥¦ᘤg஺5§ᑖṹ¨ᢞᙠ£cª,ᒕḄᐰ¯ᙠᩈᙽḄ5Aᢝᩈ±tᑭᵨ;<¥¦ᘤ,-ᩈᙽḄ;<஺;ᦈ¥¦ᘤḄṹuuᐹµ_¶8lᐜᵨ·<¸,-AஹB&Ḅ/0L,§ᩈᙽ¹Aᵫ☟»¼¯ᵨ;<¥¦ᘤ,½dᑮBḄ;<¿ᯠÁ¹ᩈᙽ5Âṹ⌲"¨ᢞᑮ£cªÄᦋo¨ᢞṹḄÆÇ-m,,y#ÈḄ;<¿ᵫd}~ÉÈḄ;<”Ë஺Ì᝞ᡠ஺ÍWªᑡÏ⚪l

109
1Ð;<ᜧ>a,ᑣ஺KvÑL%&ḄᐵÓ~8oফÕᙢ×Ø;p”ᡈ“gp"GâÜᐸäR8@ᑏ"ᓽG஺
35@Þ“◤⌕”ᡈ“é◤⌕”Gêë¨ᢞṹḄÇ-ì>pᩈᙽ¤5ṹḄÆÇ-஺ூWᫀ௃0.34
0.32W.35ᙳGᜧpKíî£c&ᨵ᥅Qé◤⌕ூ%᪆௃ூ(%௃1[1].᪷nᒴo;bcdḄïᨵ
2[2].ÐᩈᙽḄÇ-M,ṹḄÆÇ-஺,᪷nᨵmg-f+m)anE=MM+ẑ]m)gὶñZy;<(l+஻)gm—gM+ᵫ⚪Õ=0a=—஻g=—3.3m/s2,ᑣᩈᙽKᩈ&Ḅ᥅QRᦪ஻=0.34
[3].RKíîஹ£c&ᨵ᥅Qᡠi,-ÜᜧpâÜ஺
3[4].5òᨵóᵨ£côØgp×Øᡠié◤⌕êë¨ᢞṹḄÆÇ-ì>pᩈᙽ¤5ṹḄÆÇ-஺91.ᱥᳮᐶ÷>Ðø᝞ᵬᡠḄúû⊤ᵯNýrþᑴᐵS⁚ᵯ⊤ᐹᨵ“xlO”“X100”᳛ᡠᵨᘤᩞ᝞

110A.ᵯᵯE=1.5V,ᑁr=0.5QB.ᵯ!⊤G"#ᵯ!%=lmA,ᑁRg=150QC.$%ᵯRi=1200஺D.ᵯR2R3ᨬᜧ%999.99஺E.ᵯR4ᨬᜧ%9999஺F.ᐵ)*+ஹ-⊤.ᔜ10123(1)45678ᢥ:ᵬ<=>?@ᵯA஺BᐵSCDE+ஹ-⊤.F?⁚ᵯR2=£2,ᵯ!⊤Gᑮ"#IDJᔠᵯAḄMᵯNO⊤ḄᑁRᑁᑣRᑁ=஺⊤Ḅ᳛R(⌱U“xlO”ᡈ"100”)(2)JᔠᐵSW)X⁚ᵯR2R3,BR2=£2YR3=஺DE+ஹ-⊤.F?ᵯ!⊤Z["#\W]Xᙠ+ஹ-⊤._?ᐭᵯR4,⁚R4,Bᵯ!⊤ᢣ┐ᢣᔣ:dᡠeḄfgDhiḄ⊤Ḅjk%lOூnᫀ௃149.51500X10014.515010ூq᪆௃ூsq௃(1)[1][2].ᵫJᔠᵯA$uv⊤ḄᑁlpI5/2.=—=—^-Q=1500QwI0.001ᑣR=Rrt-Ri-Rg-r=(1500-1200-150-0.5)£l=149.5C,2x%ᵯil1500஺᪷z{ᵨᵯ⊤Ḅjk|gv⊤}~ᨵ᫏f3lxlO,ᑣx%jkᜧ,ᔠ5▭ᦑ⊤᳛il“x100”஺(2)[3][4].lᑮ“xlO”᳛,i"#DhiḄᵯl150Q
ᵯ!l/.=-^-A=0.01AE1150

111ID⊤ᜮxᵯ!il0.001A,ᑣὶᵯR3ᵯ!il(0.01-0.001)A=0.009A,ὶᵯl,0.001x(150+1200)R3="——£2=150£2
0.009,1.5-1.35R+r=-------------஺=15஺20.01ᦑR2=(15-0.5)C=14.5Q\[5].:eᵯ!l0.60mA,Aᵯ!l6.0mAᑣMᵯl1.5,R=_xl஺=250஺J&6.0ᦑᵯlR=(25()-150)Q=100Q
JSᦑhiḄjkil10o92.5678“kஹḄᐵ”56஺(1)ᵨ᝞:ᵬᡠeḄg56:x¡Ḅ¢ᩈ¤¥g¦§¨©☢~«¬ᘤ®?¯e°2ᡠ±«Ḅᜧ7஺56Dᑡ³O´⌕Y<=ḄR஺A.E¢ᩈ¤¶·〉B¹º7»¼·Ḅ¡ᢞṺ᫜D7»ÀÁᵫᒴB.lÃ7ÄÅ56x⌕ÆÇṺṺ᫜ḄÈ7¦7»ḄC.56D«7»¼·¡Ḅ°2´ÉÆᢝ§¨D.56D7»☠ÌᡭÎÏDᘤᐜ?ÑᵯÒZÓ¥7»ᡭÔ)ᩩÖ×DØÙ«¬ᘤḄ7ᦪফᙠ<=ஹÜḄ³OᡭÔ)ᩩ᝞:dᡠeḄÖÞßà*ÏᦪÎ_áᨵâ*ÏDÎãᨵäÔᩭÖ~Ḅᦪælßà*ÏᦪÎ_ḄçèᡭÎÏDᘤᵯÒḄ⚣᳛l50Hz஺ᑣᡭÏᦪÎ3D7»Ḅkᜧ7ᓃ=m/s\7»ᒴ®2ëḄkᜧ7஺=m/s2஺(ìíᙳÆᶇðfᨵᦔᦪæ)5.017.5010.0112.5014.9917.50ᓫfcm1-hf~---------+-----------H•••••••••01234567d

112(3)¡Ḅ¢ᩈ¤§¨¥gÆᢝ7»MôᦋôṺ᫜öṺḄÔÞ[«¬ᘤḄeᦪ÷7»hiḄk“O஺-÷:ù஺ᑡ:2<=ḄR,ூ%᪆௃ூ(%௃(1)[1]A.l7»Ḅᔠ᜜û¦7»±ᑮḄ«´É¨⊝᥅þᦑA<=\B.7»±ᑮḄ«û¦«¬ᘤḄ◤⌕ᵨḄṺṺ᫜Ḅ◤⌕ṺṺ᫜ḄḄᦑB┯C.!"ᩈ$ᢝ&'()&⊝+᥅-ᩈ$.&ᡠ01.&ᦑC┯D.)ᐙᑖᑭᵨ56☠ᡭ9:;ᘤᐜ>?ᵯABCDᡭEFᩩ56H;IJKLᘤḄMᦪᦑDOP஺ᦑ⌱AD,(2)[2]ᡭ9:;ᘤᵯAḄ⚣᳛)50Hz,UVWX:ᦪ9YZ[ᨵ]X:;9^ᨵ_EᩭᑣUV:ᦪ9Z;ZZ◞T=0.10s᪷dᒴfghijZ;kḄglmnḄ&ᙳglpqᓃrᐭᦪdpqv«1.13m/s3t᪷d⌲vwᨵ_%+%5+“6]]2]”39஻rᐭᦪdpqa«2.50m/s2(3)ভᩈ$.&Dy;^ᨵ&⊝zᑮḄ᥅-ᑣᨵ2F—f=Ma᦮ᳮq

113ᑣ஺-)9ḄᦑBOPACD┯஺ᦑ⌱B஺93.Hᵨ᝞ᡠMyឤWᐝḄḼᙳ)MḄᱥAB,)mḄấṹCᢞᙠᙠᱥ£B¤B¥¦§¨)hᜐªFXᐝᵯ«ᱥᙽBᨵFl®Ḅᢱᐝᱏ±qᢱᐝᱏl)d,²☟´CDµᢱᐝᱏ?ᐝᵯ«(ªᐝᵯ«Ḅy·_E);p?:¹²IJᢱᐝ;Zºt஺ᦋf¼lvh,½¾¿ÀÁhAtḄᦪd஺(1)ÂÃÄIJḄᢱᐝ;Z)ºt,ᑣᢱᐝᱏᑮÅᐝᵯ«ᜐ;BḄglᜧ))(2)ÇÈ)+PAt"hḄᐵp0ᑖÊËAt"hÌËᦪÍ0IgAt)Î0Igh)ÏÐÑᙶ᪗qᑮḄIgAt-Igh)FhÔhḄ᳛)F஺(3)ÂIgAt-lgh"ÎÕ9ᙶ᪗)c,Âឤp0qᑮÔᙢ×glg=_oᐝᵯ«ᵪ¤.d1(2M+m)2ÚÛᫀÝ—---------422m1&ூà᪆௃ூãà௃᪷d᩽å;ZᑁḄ&ᙳglç;glèᢱᐝᱏᑮÅᐝᵯ«ᜐBḄglᜧ):dV=——(2)2²éḄê²jḄë×,ᨵímgh-g(2஻+v2ᓽí112mgh=—(2M7᦮ᳮpqí1(2M+m\d213fc)—ߟ-Igh22mg2Â/g#/-/g/z)FhᑣÔḄ᳛)2

1141d2ব[3]᪷dmgh=-2M+×ñòq:~2M+md2=2-------------------mghᑣᨵ:2M+md221gN=lgTgh2mgᡠ0ᨵ:12M+m\d21t=7lg14——-Ifih22mg2pèÎó)í_12M+mJ22Z2mgàqí2M+md2g=2m102,94.᝞ᡠMô“jឤ”÷qḄ⚣ø᯿ᱏúèAஹBWᙽḄᑖôᙠüý,%=L5kg,m=1kg,þ᤬ᐳ
஺ᙠᙽḄᙠᜋ஺BBᙽᩭᜐ☟᝱!"AஹBᙽᙠ$᤬⚣'᯿ᱏḄ*+,-ᑁᙠ10cm/105cm*+1ᑁ23(ᙽ5Ḅ6ᜮ89:;)=᪷?⚣'᯿ᱏ('ᐝ,--◞:0.5s)BCD⚪஺0102030405060708090100110120130cm(1)᪷?⚣'᯿ᱏᑖ᪆HIJK89ᙠ__________cmMNᜐ;(2)AᙽḄPN/=BᙽḄPN
=,AᙽḄPNvv(3)᪷?⚣'᯿ᱏᑖ᪆TUVᙽᔜXḄYZ[ᔜXḄPNḄ\]^_kg-m/s
VᙽᔜXḄYZ[ᔜXḄPNḄ\]^—kg-m/s஺`abcTUḄde஺ூCᫀ௃300.4m/s0.6m/s0.8m/s1.21.2ᙽiᡂḄklᙠmnᵨpqc3Zrឤூt᪆௃

115ூᑖ᪆௃ூvt௃পxyᵫAஹB89HIJKᙠ30cmᜐ{ফফ}ভAḄ89ᙠ40cm,60cm,80cmᜐ,ᑣ,20x10-2v.=-------nvs=0.4m/s0.5BḄ89ᙠ45cm,75cm,105cmᜐᑣ,30x10-2v„=-------m/s=0.6m/sB0.5ᵫAஹB89HIJKᙠ30cmᜐB30mᜐ23ᑮ45cmᜐp,-(45—30)x10-2t=-------------s=0.25s0.6A10cmᜐ23ᑮ30cmᜐᵨ,f=0.5s-0.25s=0.25sᑣ(30—10)x10-2v.---------------m/s-0.8m/sA0.25বমVᙽᔜXḄYZ[ᔜXḄPNḄ\]^mv+mv-1.2kg-m/sAAKH6VᙽᔜXḄYZ[ᔜXḄPNḄ\]^mv'+mv'=1.2kg-m/sAABB`abcTUḄdeᙽiᡂḄklᙠmnᵨpqc3Zrឤ95.(1):ẆᱥḄ23H☢Ḅab᝞ᵬᡠᵨ┴ᡭឋᱏBᳫ¡U¢,Aᳫ£¤¥Xᵫ¦23ᳫ¢,¦ᑮᙢ☢{᝞¨ᡠḄab©Vªᐰ¢Ḅ¬⍝®¯ᙠ¢°±☢ᑁᨬ³,´VYZµḄ¶ᳫ¬☢Ḅ¢·Nᵫ☟¢,¸¹⍝2[ᐝº»¼ᑣ©½¾ᑮḄ¿Àᳫ1¦ᑮᩈº5cᳫ2,*VabÂÃA.ᵬabÄÅÂÃ23ᙠ°±ÆᔣXᵫ¦23.B.¨abÄÅÂÃ23ᙠÆᔣᒴP±Ê23C.ËÅÂÃ5ÌÍÎcḄÏÐᩩD.ᵬஹ¨ÒVabᙳÅ¢,ÂÃ23ᙠஹ°±Æᔣ5Ḅ23ឋY(2)ᐵ“Ẇᱥ23”abᑡÂØÙÚḄA.ᳫ[¬Û-ᨵ᥅ÞßàᜧabâãB.äå¬Û,ᐸç³ᑗÊé

116CQᳫu]ᵫ☟¢£¤¥D.Qᳫᙠu¤¥Ḅ§¨©Ḅª«¬®]¯.E.°ᩈ²᪥´ᑮ¶·6ᔣ¹ºᩈ²»☢Qᳫ½¾Ḅ¶·»☢»¿F.ᙠÀSuÁ¨©ÃḄO,9QᳫÄ»ÅÆḄÇVÈᡠÉᙶ᪗ËḄÌV(3)᝞ÍÎÏᙠÄ»ÅÆYÐÑ᝞ÒᡠḄQᳫÆÓÔaஹbஹcÖVḄᙠÆÓÔu×᪗ÑØÙI(gÚ10Û/$2)জQᳫ»ÅÆḄÞß«m/s.ঝQᳫÆᑮbVḄß«m/sঞÅÑVᙶ᪗x=cmy=cm.ூãᫀ௃ABBCE22.5-10-1.25ூæ᪆௃ூᑖ᪆௃ூèæ௃(DAஹᵨQ┴ᡭêëឋPíᱏBᳫïð»ñÑYAᳫòóÄôᵫ¾õÆöᳫY¾ᑮᙢ☢,Bᳫ¶·6ᔣuḄÆøùAᳫúᓽ»Åƶ·6ᔣuÄôᵫ¾õÆ.ᦑAüý.Bஹþöÿ
Ḅᳫ☢Ḅᵫ☟⍝2ᐝᑣ!"ᑮḄ$%&ᳫ1'ᑮᩈ)*+ᳫ2,,1ᳫᙠ.ᔣ)Ḅ01232ᳫᓽ501ᙠ.ᔣ)6ᒴ89:01.ᦑB=>CஹD┯ABᦑ⌱AB.(2)AஹᳫDEFᨵ᥅IJKLMᳫ6501ᦑA┯ABBஹẆO501ḄPQRᐵTḄᙢ.&⌕WXᳫYZ[\]ᨵ[\ᳫ^6501ᑣ_`PQ`aDbcᑗ:efḄgḄ&hiWXᳫ[\j8ᦑB=>B

117Cஹᵫl⌕mnᳫḄ01opefqrst^Yu\vwxyzhiWX{t5Ḅopᡠ}⌕~ᳫ{tᦑc=>BDஹᳫᙠD)ḄaDbcḄJYᦑD┯A.Eஹ᪷501Ḅᱯx,ᐸ01opᙠ9☢ᑁyzᙠPQᵨq┴:᦮☢ᙠ9☢ᑁᓽ⌕~ᩈ☢ᳫ'Ḅ9☢ᦑE=>BFஹᙠ)mnDbcDḄaO,JYhᳫ6501ḄxᦑF┯A;ᦑ⌱BCE.*=O.ls,ᑣᳫ501Ḅj8বজᙠ9.ᔣ)Ay=gT2,FF◞T=%“HVS=2m/sT0.1ঝbxᙠ9.ᔣ)Ḅᑖ8%=^=1.5m/sᳫ01ᑮbxḄ8hv=&+£=2.5m/s.ঞ5\xᑮbxḄ01F£=q•=0.15s..ᔣ)Ḅ¦xi=vt=0.3m,9.ᔣ)Ḅ¦gy=ggr-0.1125m.ᡠ}§¨6501Ḅaᙶ᪗x=0.2-0.3=-0.1m=-10cm,y=0.1-0.1125=-0.0125m=-1.25cm
96.ᱥᳮḄ®ᵨ᝞°ᵬᡠ²ḄPQᘤᩞµ¶q·¸8஺PQᘤᩞᨵº»¼½ᨵ᪗¾Ḅ9ᩚஹᐝᵯÁ1Â2ᡂḄᐝᵯÄᘤᐸ+ᐝᵯÁ1ᙠᐝᵯÁ2Ḅ).ᳫᘤ(ᳫÆj8)ஹÈÉ஺PQᵨÊᐝᵯÁµ
ᳫᐝᵯÁ101ËᐝᵯÁ2ḄFt,Ì9ᩚ)Í\ÊᐝᵯÁFḄÎho(1)ᵨÏ᪗ᓱ¾µ
ᳫḄ9Ñ᝞°Òᡠ²ᑣᳫ9Ñh,(2)ᦋÕᐝᵯÁ1ḄaWᢝᐝᵯÁ2ḄaJÕᳫ×ØᐝᵯÁ2Ḅ8hv,Jὃ⇋ÛÜÝ·ᳫḄ¸8hq·¸8g,ᑣhஹtஹgஹvÞwᱥᳮ
EFḄᐵßàh=ohব᪷PQᦪ\°%᝞)°âᡠ²ã°+9:᳛Ḅåæçhk,᪷°%\q·¸8gtᜧh«

1181,ூCᫀ௃1.170~~gt+vt2kூt᪆௃ூᑖ᪆௃ூvt௃(1)xyêëìᦪ:Llcm,î᪗ëìᦪ:0.05xl4mm=0.70mm=0.070cm,ᡠᨬðìᦪ:l.lcm+0.070cm=l.170cm
(2)2ᳫpᐝᵯò2ḄPN:v,᪷?23óôõT¥ö¸¹ᑮpᐝᵯò2Ḅ,-vt--gᡠ¥ö¸¹ᑮpᐝᵯò1Ḅ,-,,.Vt=t-t=——tgᡠpᐝᵯò1ḄPNV'=gt"=v-gtv᪷?ᒴ÷P±Ê23ḄøeTᐝᵯò-Ḅùú,V+V12h=---t=vt-—gt1,ব[3]ᵫôõ7z=egᔆTh17…ýþÿ-r
᳛Ḅk,ᑣ,1k=~gᡠᜧg=2k97.ᙠᨵᵯ⊤Ḅᱥᳮ!"#$%&'Ro=15C,ᨬᜧ'50஺Ḅ*+,'ᘤ./&ᵯ0⊤1%&23ᑁ'ஹᵯ+6E=6VḄᵯ7ᡂ9:;<%&'ᜧ=>ᓝ@AḄᵯ''BCᵯD᝞
ᵬᡠGHIJ!ᡂᕒLMᗐOPQRS

119পVᨵWXYZI⌱\Ḅᵯ0⊤SA.ᵯ0⊤
0-0.3A,ᑁ'5.0஺]B.ᵯ0⊤
0~3mA,ᑁ'2.0QC.ᵯ0⊤
0~3mA,ᑁ'^_]D.ᵯ0⊤
0-0.6A,ᑁ'^_]ᑣᵯ0⊤AiI`⌱
ᵯ0⊤A2I`⌱oabᘤᩞdḄef]
2*+,'ᘤḄ',ᓄᑣᵯ0⊤A2ḄGᦪijklm,ᓄx⊤GnᐭᵯDḄ*+,'ᘤpq⊤
3Jr᜜t+!ᑭᵨ
ᵬᡠGḄᵯDwxᦋ,*+,'ᘤnᐭᵯDzḄ'{ᑮ

120¹¨R஺ஹRஹஹRAKRA2ºᙳ¥»᝕½ê[ᓝ.+Rᑣ¾Y,4+¿+8-k+rxᵫᦪÁᐵY_DÃÄᦑ⌱D.বভম.᪷Ê
GᵯD
ᵫ@A¥ËY_
RO+RAIII=RêI2-I1ñX᦮ᳮY{Rx•ò&•+«ñ+&]2Í:ᓽ⚪
z11-12
Ḅ᳛ᵫ
Y_I,_0.28_777-_6T-io{Rx=46.6dᵫ$BCzὃ⇋ᑮ<ᵯ0⊤ᑁ'ᑣ᪵:{ḄRxḄ'஺98.ᵯ⊤ÒÓÔwxJ⊤Ḅᵯ0®ÕÓÔwxJ⊤ᵯ0Ḅ/Ö஺×Áᑭᵨ%ØB:Ùᵯ⊤Ḅᑁ'aÕÓÚ]஺BCÛÜZḄᘤᩞ᝞S:ᵯ⊤Va³´3V.ᑁ'=3000C,ᵯ'ÝRoaᨬᜧ!99999.9Q,*+,'ᘤRiaᨬᜧ'100஺Þ¥ᵯ02A஺ᵯ7Eaᵯ+66V,ᑁ'23]ßᐵ/&àH}஺
1á᪾ᑁJ×Á·3Ḅ:³ᵯ⊤ᑁ'ḄᵯD
Ḅ%ãᑖ஺¤ᵯD
⊡ᐙM᦮______o
2¤æçÚ:;Ḅᵯ⊤ᑁ'èRVᑣRv=஺éᵯ⊤ᑁ'ḄêBRஹëìR'v____Rv.a⌱bᡈ”V"ñ

121SiR஺ூᫀ௃__________Ro>ESiூ᪆௃ூ¢௃
1[1].:ᵯ⊤ᵯ'3000@A]íᜧ$*+,'ᘤRiḄᵯ'100@A]ᦑ*+,'ᘤRiîᵨᑖ¾nÚïᵯD
᝞
ᡠGS
2[2][3].᪷Ê·3ḄᵯDðñḄBCQR®Sò+*+,'ᘤḄ*ᱏôwᵯᵯ⊤ᡠᙠḄõDᑖᨬïöᔠßᐵS௃ஹS2,ø⁚Ri,§ᵯ⊤Ḅᢣ┐ÒÓïᢝ*+ᵯ'ᘤ*ᱏý2,þßS2,ø⁚ᵯ'ÝRo,§ᵯ⊤Ḅᢣ┐ÕÓïÿᵯᡠḄᵯᓽḄᵯ⊤ᑁᵯ⊤ὶᵯᵯ▭ᵯᜧᑣᵯᑖᜧ!"#ᑣ$%&'Ḅ(ᜧᦑRv

122(3)9᥅;<ᦪḄ⊤.(ᵨ@''4lmnogg⊤)஺ூᫀ௃-B2gsýூ᪆௃ூ௃(1)]ᐝᩩḄfgpj[ᐝᵯ]Ḅ6ᙳog¡¢!£kog᪷¥6ᙳog¦.c2ᙽḄogdV--(2)[2]8ᑮ஺Ḅ[§¨᥅;m©ª᪷¥9«Gᳮ—/jmgx=஺B/¸9᥅;<ᦪḄ⊤d2“ÿ{◤⌕'Ḅᱥᳮ'¬ᐝᵯ]஺IPy8Ḅ56X,ACD┯¯B°±஺ᦑ⌱B஺(3)[3]᪷¥@ᑖ᪆.cd-u=------2gsM100.²³´ᵨ+1¨Ḅᘤᩞ©·¸p¹º»¼ᱯឋ¿ÀḄÁ.(1)bcp¹ºḄÂGᵯ2V,ᵯÃ⊤ḄᑁÄÅÆᵯ⊤ḄᑁᨵÅᓟÆÉAÁᵯ+OJÊ᦮.PÌᔠYᐵ29ᘤḄ2ᱏÏÐᑮ.L"A"ᡈ"B"PE.RII(2)ÌᔠYᐵÓ⁚29ᘤWÕÖᵯÃ⊤Ḅ4ᵯ⊤Ḅᙠᙶ᪗Ù@ÚWI-U+Û᝞+2ᡠ.ᵫ+Û.cp¹ºḄᵯÝÞgḄᓣà(“âᜧ”ᡈ“äp”);᪷¥+Û.p¹ºḄÂGª᳛W.ᵫ!ᵯ⊤ḄᑖÃÚᵨÁçᙠ_____(”éê”ᡈ“Ꮤᯠ”)¯í᪷¥+ÛîḄÂGª᳛ïð______(“ᜧ”ᡈ“p").

123ூᫀ௃Aâᜧ1éêᜧூ%᪆௃ூ(%௃(Dñ29ᘤᵨᑖJòᵯÃ⊤᜜JᵯOJ᝞+ᡠ:R2SÌᔠYᐵô29ᘤõWᵯö2ᱏÏÐᑮAE.(2)R3Sᵫ+Û.cp¹ºḄᵯ▬ÝÞgḄᓣàâᜧR4Sᵫ+2./øWù¹ºḄᵯ2Vkj[¹ºḄᵯÃ0.5A,<¹ºḄÂGª᳛¬P=UI=2xO.5W=1Wᵫ!ᵯ⊤ḄᑖÃÚᵨÁçᙠéê¯íÁḄᵯÃ(ᜧ<᪷¥+2îḄÂGª᳛ïðᜧ.

124