北京市密云县新高考物理实验题100题汇总含解析

北京市密云县新高考物理实验题100题汇总含解析

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时间:2023-03-17

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313ᘤ⌱ᵨ!"⌱#“Ri”ᡈ“R2”.4ᵨ%&'Ri(ViஹV2Ḅ+ᦪUiஹ5ᩭ⊤+ᵯ0⊤ViḄᑁRv2.51.᝞ᵬ"5678!9:;<ᡠ+Ḅ>?@AᵨᩭB“DEFGHI”஺L9MNḄ:;OᙠᐝQRS☢UVWᔜY!ᩩ[\]^H_ᔜᢞ!9MNḄ:abcaḄdṹ@ᦋ:;gᑮḄᔠ᜜kbc;UḄấṹ@ᦋ:;Ḅm'஺L;nWᔜYᩩ[ᵨ!9opqrL[NsᢥᙠuHஹvwḄQRxᱏUz:;☟|"᝞}<஺~opqL;NsᙠL;ᑮ_ᢥopqL;|L;ᙠ^Ḅᜧ:஺y1y1Oy2²/³ᱏy2L7µ¶]11|1|1|1|1ᓡ1|1|1|1|1111|1|0cm123456ᵬ·NᙠB“ᔠ᜜km'ᡂ¡¢”sḄ£¤¥%¦:;1Ḅ§m'¨=100g,:;2Ḅ§m'©=200g஺ᵫ@¬:;1Ḅ=5.00cm,:;2Ḅ!cm,@A®1--------------"¯°±ᶇ3ᨵᦔᦪµ<¶ᙠ·¸ᐕºḄ¼ᑁ,a,—_______—"⌱#“ᜧÀ”ஹ“:À”ᡈ“ÁÀam2]52.ᙠÂÃÄk(ÄÅÆÇḄᐵYsNᐜᢥ1ÊÄÅᵬËÌÂÃᯠÎrÄÅᵬ(ÄÅ}ὶᩭᢥ2ËÌÂÃ.ᙠÄឋ▲ᑁm'Ò=50gḄÓṹ⌲9ᢞᙠÄÅWᑖÖ¦ᵬஹ}ÄÅḄÇ4ஹ×᝞⊤ᡠ+.弹弹K»甲乙Óṹ9ᦪ1234/cm30.0031.0432.0233.02L1cm29.3329.6529.9730.301

32%&Ùkg=9.8m/s2,⌕ÛÜ@ÝÞᙢᑭᵨ'ᦪáâ®ÄÅᵬḄãYᦪ1€=N/m"¯°±ᶇLᨵᦔᦪµ<.ᵫ⊤ᦪá"#“Ý”ᡈ“Ý”<â®ÄÅ}ḄãYᦪ.53.ᵨ᝞ᡠ+>?ÂÃÓṹ(:;"ädṹ<åᡂḄYæḄ“çÝᐵY”:;ᑮᑴᢱpsÓṹᑮêᙢ☢஺1R⊝᥅qks"#“⌕”ᡈ“⌕”<ᢞUÓṹ¶2᝞}í£ᡭïðḄ!ñᑖOஹAஹBஹC49MòḄâᦪóMòḄL9âᦪóôõöᨵ49ᡭḄó÷ᨵᡠᵨøùᵯúḄ⚣᳛50Hzý^'@&ᡭóâsᘤᡭBós:;Ḅᜧ:m/s"¯°±ᶇLᨵᦔᦪµ<¶3Nþ^ÿஹḄᑮᩩᨎḄᡭḄO,!ᙠ#$%&&◞Ḅ1ஹ2ஹ3ஹ4ஹ5ஹ6%()*ᦪ,-ᔜ*ᦪᑮOḄ/0s,1ᡭᔜ*ᦪḄ234V஺᝞789᪷;<=>?ᦪ;@AḄ7BCDE!>?FGṹḄIJK0.15kg,FLṹḄIJK0.50kg,$MNO34g=10m/s2,᪷;PQᐵSᵫ7B,DḄJKkgVWXYᶇ[\ᨵᦔᦪ_`a4Ẇc>?ᦪ;deGṹMNfḄPIᶍᜧiSjIQḄkKᐸmn,Q9.A.GṹḄMNᜧipqḄrNB.stᐰv⊝᥅yNC.ᙠz{ᵯ}Ḅ~D.ᵯ}Ḅ>▭⚣᳛ᜧi50Hz54.ᵨ᝞7ᵬᡠḄ>?c“Qᳮ”஺ᙠ#)ᐝᵯB,ᙽ#¡ᐝᩩᙽᵨpq¢£¤¥Ḅ¦§N¨©ᘤ«¬¨©ᘤ®ᢞGṹ°!ᙽ±²Aᜐᵫ☟µ஺ᐝᵯB¸ᐝᩩ012cm^¹ºᘤ¥1»1%IτJ[IIJ1JJJ¶¶¶JL1·|||||¹||º||»»|05101520¼ṹᵬপ~ᵨ½᪗ᓱÀÁK¡ᐝᩩḄÂ4d,᝞7ÃᡠÄljd=mmo2ᑡ>?⌕ÇFÈ⌕Ḅ⚗9VÊËᑏ⌱⚗ÎÏÐḄ_Ñ`஺A.ÐÒᙽJKÓᜧiGṹÔN¨©ᘤḄIJK

33B.ÐÕÖ×Øv(3)>?YᢝᙽḄJKMÔAஹB&Ḅ/0LÚÛᦋÛGṹJKm,ÁAÏÐḄN¨©ᘤḄᦪFÔ¡ᐝᩩ{£ᐝᵯḄ&t,{£ÝAqឋ7ßẆcᙽQÛᓄ§ᔠ᜜NÏãfPḄᐵSᜐᳮᦪ;ÐAḄ7ß9(Ëᑏ⌱⚗ÎÏÐḄ_Ñ)஺111ᔆ2A.r2——B.M-FC.L7——D.--F2FFt55.(1)ᵨ½᪗ᓱÀÁKᳫḄèé᝞7ᵬஹÃᡠ.ÁKêëìḄ9(⌱Ë“ᵬ”ᡈ"Ô).(2)ᵨïðÁñᘤÁKòóôḄèéEᦪ.(3)ᙠ“ᵨᡭ*ᘤÁ34”Ḅ>?Fᵯ}⚣᳛5()Hz,ᡭAõ᝞7ᡠ.ö£2÷*ᦪÁḄ234·=—m/s.56.ᵨ᝞7aᡠḄᵯúÁKûüýᵯþḄþÿḄᐵ.(1)ᐵᔠᘤḄᱏ_____("A"ᡈ"B”).(2)Ḅ!"#᝞%bḄR&tᐵ%'᪷)%'ᑏ+,-.ᵯḄR&tᐵ01R=(C).t(3)⛶Ḅᵯ3ᓄ5ᮣ.78ᑴᡂᵯ;.<ᑭᵨᐵஹ@'ஹA-.ᵯஹ%aBCDᵯ⊤F%cᡠHḄឤJK(L⁚NOP78⌱RḄS+ᵯJTS+ᵯJU᜜WᩩYḄᓄZᓄ),];D^_᧕ᵯ;"ᙠ%dḄb'᪾ᑁe+ᵯfgᳮ%

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35:=½Xᵯ¾;'TTYABCs·34=>?2ᘤᩞAA.B/ᵯRoRo=5ftB.CDᘤEᨬᜧ/'2Q,GBH᳛'50WC.ᵯJ⊤Ai0.6A,ᑁn=1஺MD.ᵯJ⊤A?0.6A,ᑁN&'5஺ME.OJᵯPEiEᵯDQ3V,ᑁ&'1஺MF.OJᵯPE2ᵯDQ6V,ᑁ&'2CG.RᐵSTUVWX஺1᜜FZᜧ%ᑡ\]^*Ḅ_`A.aஹᱏᵯcZᜧB.aஹᱏᵯcdeC.aᱏᵯdeᱏᵯZᜧD.aᱏᵯZᜧᱏᵯde279fজஹঝ'ᵯJ⊤ᐸfᵯJ⊤জ⌱________E⌱l"AJᡈ“A2”ᵯP⌱________E⌱l“Ei”ᡈ“E2”3'()*ᙢ,-./ᙠ7ofpBஹCqUVrRspCDᘤt501ᵯuḄAஹBஹCvfḄwxvyz{|⁚CDᘤ,-~ᦪ34)*ᙠ7of^*z{ᵯu;4ᔠa342.!ᘤḄᵯḄ⊤'AiஹA2ᵯJ⊤ḄᵯJᑖᵨhஹI2⊤#M°59.ᙠ“ᵨ],ᑖᜧe”Ḅ34fᵨ-0.25mL⏚᎔ᐭ᪗¥250mLḄ¦-§f¨©ᐭ⏀«¬ᑮ250mḄ®஺ᯠ¬ᵨ°ᔾ²³®ᔣe-µf°ᐭ100°®®Ḅ☢ᑮ-µf1mLḄ·¨ᵨ°¸¹Ḅ⏚®ᔣᥜᨵ¼½Ḅ¾¿ÀÁf°2°®ᙠ☢aÂᡂ⏚ↈÅÆB¬ÇᙠÈᨵ^ÉÂᙶ᪗ËḄÌᴻÎÏÐ᝞7ᡠ;஺ᙶ᪗ËḄ^ÉÂᜧe'2cmx2cm,ᵫ72ÒḄ☢Ó_cn?EÔᶇÖᨵᦔᦪØMᵫÙÒ⏚ᑖḄOÚ_mEÔᶇwÖᨵᦔᦪØM஺

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38ᵯÃ⊤A|ö0~250mA,ᑁ³4=5஺ᵯÃ⊤A2ö0~300mA,ᑁ³'(5஺]¿³ᘤRᨬᜧ³§10஺øbᵯÃ2AᐵSùúØûঞIJK3ýᫀᑮᵯÃ⊤A1Ḅëᦪ(þᵯÃ⊤A?Ḅëᦪ(ÿᑣᵯḄ4=.ᳮᐸ“ᜧ”ஹ“$”ᡈ“&”'.64.ᱥᳮ$)Ḅ*+ᵨ᝞./ᵬᡠ2Ḅ3ᘤᩞ6789:;஺3ᘤᩞᨵ>?@Aᨵ᪗CḄDEᩚஹᐝᵯH1I2)ᡂḄᐝᵯKᘤᐸLᐝᵯH1ᙠᐝᵯH2ḄNO$ᳫQRᘤST$ᳫUV:QR'ஹWX஺3KSᵨYᐝᵯH$ᳫᐝᵯH1Z[\ᐝᵯH2ḄK]t,^DEᩚN_`YᐝᵯH]Ḅabh஺1Tᵨc᪗ᓱC$ᳫḄEe᝞./fᡠ2ᑣ$ᳫEegcm஺2ᦋiᐝᵯH1ḄjklᢝᐝᵯH2Ḅjkni$ᳫopᐝᵯH2Ḅ:;gv,nὃ⇋st8$ᳫḄ9:;g789:;g,ᑣhஹtஹgஹvuvᱥᳮw]Ḅᐵyh=»3᪷{3ᦪ{}`4-f/~᝞N/ᡠ2/LE᳛Ḅgk,᪷{/~`789:;gtᜧ$g஺65.᝞/ᵬᡠ2gᑭᵨᵨᵯ⊤ḄᵯᢱẆᵯᘤḄᐙஹRᵯḄ3ᵯ/஺ᵨᵯ⊤kxlkᢱᵯᵯ[gE=L5V,ᑁgR=15kQ,3LTᵨḄᵯᵯᘤḄg“IOOORF25V”஺⊤ᵯᘤ᩽¡⊤ᵯᘤ¢᩽஺1ᐙᵯ£ᡂᵯᘤY᩽¤]Ḅᵯ¥________⌱“ᜧ”“&”ᡈ“$”'ᵯᵯ[ᵯᘤᡠAᵯ₹gCÂ2᝞/fᡠ2ᐙᵯ£ᡂ©Rᵯª:«¡ஹ⊤¬ᣚᓽ⊤ᵯᘤ¢᩽¡⊤ᵯᘤ᩽¯°ᵯ±²ᜧ³pᵯ±⊤´ᐸµ¶o

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634=200Q(5)[5]ᵫ.⊤Ḅ0ᵯ$4,=15x100=150஺ᑣᵯ“xio”ᢱᑁ4ᵯ5Ḅ6ᵯ$150c7ᵫᵬ9:ᜐᳮ=>ᵫ?@ᨵὃ⇋DE⊤Ḅᑁ᝞Gὃ⇋DE⊤Ḅᑁᑣᨵ—1=—1RH+ᓝ1EEEᵫ.,ᵬ9:ḄJK0RᑁL.MGNOPᜧḄRST@ᨵὃ⇋DE⊤Ḅᑁ6.UVACDUVூ-᪆௃ூᑖ᪆௃ூ0-௃(1)[■᪷Z⚪\]^=ᔣ`aᔣbᵯ=ᔣᚖad☢ᔣf஺ᡠh᪷ZUijᑣ(Ekl=ᔣ$mnᔣUᦑopqᔣUVrs஺(2)[2]ACD.᪷Ztub=3஻(〉xyzo{|Ḅ,}ᡈὅyᜧᵯᡈὅyᜧ]^]yᜧqᑮḄEkl᪷Zsjᳮ("12Fs-Rings=—mvᑣq}o{Ḅs&ᜧᓽ}o{Ḅ&ᜧACDB.ᣚᵨ᪷Ḅqqᑗᒘ]Ḅᨵᦔᓽo{|Ḅ&EklF&qḄK&ᜧᵫl2Fs.2&ᦑB┯஺ᦑ⌱ACD„(3)[3]ᔣ¡ᵯᚖad☢ᔣ᜜]^=ᔣ`aᔣ£᪷ZUijᑣ(Ekl=ᔣ¤ᔣUᦑopq¤ᔣUV¥s஺7.1.18m/s1.50m/sூ-᪆௃ூ0-௃(1)[1][2].Sd¦£§¨©ªᦪ«Ḅ||◞$T=0.10s,Si=9.50cmஹS2=ll.00cmஹS3=12.5cmஹS4=14.()0cm,ᡭC«d¦Ḅᜧ$

64s2+537=--------2T÷ᐭᦪ°.v=1.18m/scÈÉ&4+஽_(S4+S3H4+S2)_2_4T2ᐭᦪa=1.50m/s2(2)[3].ᩈᙽஹṹấṹᡂḄᵫmg—pMg=(M+m)a!_mg-(m+M)a஻=Mge8.জঞঝটD3=~—0"n#$%Ḅᙊ'((஻T)Tூ!᪆௃ூ,!௃(1)-]/01ᐜ3ᵯ5678ᘤ:ᙊ;ᓱ=>ᢝ@ABCᐜDᓱᱏFGHᡭ$ᨬKLMᓱᱏNOᦪPᜐᳮ.ᦑUV"জঞঝট[(2)[2]⌕]M(^_◤⌕]a$b$cḄ(_◤⌕Ḅᘤᩞea(ᘤᦑ⌱D[(3)[3]᪷P0=—,ᑣt0(0=7------;—,(N-1)T|4]0en#$%Ḅᙊ'(Teᵯ5678ᘤḄᡭ$8cc◞஺9.BC

65(2)[2]x@ᨵᵯ⊤G&L&±ὶ4L³±ὶᯠ¡µ¶ὶᑣ/¸=UAB+UBC=UAC2ὡ+12=UAD+U»C=UAC&'(&_UAB__UAC_|'R_UAD_U,\c_]R3UDC“DCᡠhxRஹR.)>—L&4UBC

66ὶÖ(Rஹ=Nூ-᪆௃ூ0-௃(1)×]$=ÙÚÛÜÝÞ◤⌕áᵯâḄ5ãᵯäᨵÈå&ᓄçs&ᘤ⌱é60PḄK஺(2)ফ᪷Zᵯ5êÚᱥᵯ5Úᱥᵯ5᝞ᡠÅ(3)[31᪷Zᙶ᪗îᑁïḄ«ÝᵯðḄU-/ññ᝞ᡠÅ00.20.40.60.81.0[4H5]ᵫò+,$1.5,ᑣᵯðᵯsó$E=1.5Vᵯðᑁô?*Ḅõ᳛ᨵªU1.5-0^,sr=-----=------Q«1.9஺ª/0.87¨÷?ᵯðᩭÇᵯ⊤ùᵨ᜜>ᵯ⊤ḄJK0?úûᵯðḄᵯᵯsóÔᑁḄJK0ᙳ

67?üÚ0ᡈὅᳮ$ᵯä⊤ᑁýᙠᑖÝᵨᦑᵯJK0NhÓᵯä⊤ᑁLᵯð¶ὶ¡ÿᦔᵯ▭ḄᦔᵯḄᵯᑁᵯᦑᵯḄᑁᵯḄ஺c1R11A11.Rb-------—8.©51/4%4ூ᪆௃ூ௃(1)[1].ᵯ⊤ᵯ!"Ḅ#ᵯ$ᡠ&'(ᘤḄᵯ*+1000Q,'(ᘤ⌱-[2]../ᐜ1'(ᘤ2ᐭᵯ!"Ḅᵯ45ᨬᜧᡠ&'ᱏP9:ᑮ<=஺(2)[3].>$ᵯ⊤ᙠ4⁚ᵯABC"D!ᵯEF*(ᨵ᦮ᳮJ1_&1+1/0%0[4].ᵫLMJLNO᳛,(0.50-0.10)mA-1k—________________0.50Q-1ᵫ⊤QRSJᐸ"/o=lOmA=lxl(y2A,JR-8.0QA(3)[5].ᵯ⊤ᑁ᪷Vᵨ|ZJ[ᔠS?]ᵯ!"Ḅ#ᵯᶍᨵ_ᡠ&D!ᵯ`abᜧ,ᓽᜧᵯ10mA,eᵨᩭghᑁiᵨ10mA,ᡠ&j஺12.ABEABூ᪆௃ூᑖ᪆௃ூ௃

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69ூᑖ᪆௃ூ௃ᙠâãäᡭægᦪ|5Ḅ¾¿:ᓃ60.216+0.264m/s=2.4m/s2T0.2(2)[2]ᙠgᦪ|0ᑮgᦪ|5BC"ÛÜ+Ḅb$:ª4=4-0=(è+m2)%2=0.58J[3]Ûܱx+_$ÇAE[,=(஽—Â)g஻=0.1x9.8x0.6J=0.59J(3)[4[᪷V/☢ḄᦪVS&JᑮÇᙠᐕÕḄ×ᑁ¨ᱥÙÚᡂḄÛÜᙠÝBC"Þß+àឤ஺15.DFGᨬì=12.51.69ூ᪆௃ூ௃(1)[1]ফî.ᵯð⊤C$03V,ᑁ$2k஺ᑣ⌕⌕ªñᵯð⊤ḄC᡽ᜧᑮ12Vóìᑣ◤ôὶ8kQḄᵯᦑsᵯ⌱-Dᵯᑁ$2஺óìR2ö$³÷ᵯᑣ9ø⌱-ùᑁúḄFᓽS'(ᘤ⌱-ùᑁ*µḄGᓽS(2)[4].ûᐵ[ᔠ&/91'(ᘤḄ'ᱏ45ᨬᜧḄᨬì=(3)[5][6].᪷VLýSþ᜜ᵯᵯ0ᵯ⊤ᦪ2.5V,ᑣᵯ5x2.5V=12.5V,ᓽᵯᵯE=12.5V,ᑁ(2.5-1)X5'GQCr------------------/?=1.69f21.60216.0.52cm0.43ᙽᐝᩩᑮᐝᵯḄsmgsṹ!ᙽḄ"#$%&!'+M)"]2Iª-ூ+᪆௃ூ.+௃(2)[1]/᪗ᓱ232ᦪ0.5cm,/᪗24526789324:;78<=>ᑣ/᪗ᦪ2x0.1=0.2mm=0.02cm,ᡠ@ᨬBᦪC0.5cm+0.02cm=0.52cmD[2]ᵫFᐝᩩGHᐝᵯḄI᩽KLM@ᑭᵨPᙳR8ᩭTUᐸWR8>LᙽXHᐝᵯḄWR8v=—=0.43m/sY᪷[\]^ᳮM`>a\]b◤⌕efṹ!ᙽᡠgᡂḄijkl"Ḅmn%9ṹ!ᙽᡠgᡂḄij"Ḅ#$%oᔲqrᓽMᑨtuv"oᔲwឤ>ᦑ◤⌕z%Ḅᱥᳮ|ᨵCᙽᐝᩩᑮ

70ᐝᵯÅḄÆÇs(3)[4][5]ÈṹÉᙽᡠᡂḄ"ẆËÌᐸÎÏÐḄÑa"mgs,GÐḄÒa"l)A2(m+M2\tÓÔÕ⌕Ö×ὅeᔲÚÛᓽ{1ÝÞßÐeᔲàឤ…2x+17.ÆÇ[8c[a=—~a=—--------——m-(1i(m'+m)ᔆM+m+ihூ!᪆௃ூᑖ᪆௃ூ,!௃12x(1)Éᙽᙠäåæ⍝èéAᑮBëì^"uḄᒴî^ïwðG᪷Px=at22=ñᡠ|◤⌕]a72rḄeÆÇs8ct.(2)᦮óNOẆË᪷Pô.=õ஻("+஻?')g=(1+.)øM+m+m,Af+mù⌕aemḄUúᦪûüDèýLñþᓽDm+mñþᙠÒᜧm8ÛaÑmᡠ|0M+m+m'1y%3éᡲḄṹᙽ.ூ௃⚪᪷ᐜ᪷ᔠ◞!"#$%&Ḅ⊤()*ᯠ,-./ᑖ᪆23*45.18.A6+—B:DBAூ#᪆௃ூᑖ᪆௃ூ;#௃জ“ᓅ2]?ᵨA⌕./CDEF(HIA),?ᢣ┐ᢣᔣ6MḄFN&ᜐPঞRভমRUVஹX⊤YᑖZ[ᐭ“+”ஹ“^”[_*U`⊤Yab*E⁚deEFfg(HIB),?ᵯ⊤ᢣ┐ijᵯkḄ“0”Nl*ᓽ⊤ᨬ:oḄFN&lPটq?ᵨrsᣚdeᢱv⌕./deEF*?ᢣ┐ᢣᔣ:MḄFN&ᜐPᵫxyz*ᢣ┐{|}ᜧᵯk**◤ᜧ᳛*?ᢣ┐ᢣᔣde⊤N&▬*ᦑḄ᣸DBA஺19.Riabᵯz*ᵯ⊤ᐰ

71ᢝaPIᵯூ-᪆௃ூ0-௃᪷[⚪⌕z%ᵯ⊤ᑁᑖ>F⁚ᑖ>◤⌕⌱fn>ᵯfᜧḄᘤ>ᓽRi஺(2)[2][3]ᐵᔠ¢>ᵯ£ᐰ>LᘤḄᱏ¦Fa§>¨᪵z%ᵯªᑖ«ᑖ0,¬ᵯ£ᐰ஺(3)[4]᪷[ᵯ>\ᱥ᝞ᡠ¯C(4)[5]ᙠ\]±²ঞb>ᘤR*ḄᱏPḄ>ᐸᳮᵫoᢝaPIᵯ஺20.1.125ᵯ⊤V2ᵯ⊤Vi´ᜧᵯ⊤ViḄᑖ2.58•M"oµ¶·ᡈ¹Hºᩖ¼Ḅ½·ூ+᪆௃ூ.+௃(1)·ᵯ¾Ḅ¿Àd=1.0mm+12.5x0.0lmm=l.125mmP(2)Pz%ḄᵯᜧFNz%Ḅᵯ>ᦑPoᵯ⊤V2,Noᵯ⊤V”(3)´ᜧ>ᵫFÁὃ⇋ᵯ⊤ViḄᑖ>ÄzÅḄ·ᵯ¾Ḅᵯ´ᜧ.

72(4)ᑖ᪆ᵯ³´*µᵯlḄᵯ4=஺=¶,&=+^L=%ULR=(¸—1)R,᦮ᳮ»Klxu\ui¸=1+R,•[,᪷⚪¼½³´¾᳛k=R*=7*஺஺C=2.60Q,,C7]K2.50=0.994J¿-2.60x0.994x1()6mmS=rcr1O•m=2.58x108Q•mL100ᦑᵯk᳛(4ᑮ⌕"*?ᵨḄᨵ³Ã-ĵᡈÆÇᩖÉḄsµ.21.ᏔᯠËÌ)A4/?ூ#᪆௃ூᑖ᪆௃ூ;#௃ᙠÎÏ*“ᢝÑÒÓÔy4Õ*Ö×10sØÙÚ*{ÛÜᳫḄÞᙳà”áᵨÇsxy"ÞᙳâḄã!*ᐸ¶ḄåæçᏔᯠËÌ஺(2)[2]èᳫéÑÒÑêë,Ḅ%&åV஺*ì,ᳫíÞîïð*ᨵEk="ò.12h=2grs=óὶõ³»ᳫÑêëzðÃå2E=Äö)2=÷1k2t4/2বRù3ÑÒÑឋûÃüᐸýÕyḄÞãᡂÿᡂᨵEp=Hឋᐰᨵᧅ=ᓽmgs2kx~-4/1◞s=J-----%W72gᐵS8X,ᦑ⌕!"◤⌕$S-X%&᪀ᡂ()*+ᦪᐵᦑ⌱A஺

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83ூj᪆௃ூj௃¸ᐝᩩº&d=10mm+2x0.05mm=10.10mm=1.010cm.(2)[2]»ᩈᙽ¾¿ḄÀÁa,ᵫ⚪=&ddA----=——+a•Â%Ãjk&11a------------AÄdÅᔠ--ÀÆÇ

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85(3)[3]ᵫᳫQ?ᑣ᪷#ᳫdQ?,PPᐭᳫḄᙳMPᐭᳫḄNPᳫḄᐭᳫḄ0PV1=TᐭᳫḄ0M¤¥ᳫḄON᝞§mv—m-y+஻q%ll3ᑣ⊤M«¬>®®¯¥<ᳫ¬°U#E±ឤᓽOP=´OM+m,ONᡂµᓽ⊤¶U#E±ឤ஺42.1.8ACூZ᪆௃ூ·Z௃᪷W¸¹ᔠ»¼½¾Fᔠ=1.8NফফA.ᵨ¿ÀÁ¹ÂÃÄÅÆÇᦪ⌼ᡂÃÄÅ1ᩈ4ËÌÍ⌼ᡂÎK.¸ᦑA(),B.WU<ᑖÏᜳÑP┦ÑÓÔdKLÃÄÅᢣ¶ᙠ0.4Nᜐ×7BØÎKLᑖÏÙᨵQÚ0.4NḄ┯+,ËÙ⌼ᡂᔠÏÛQÚ0.4N,ᦑB┯+,C.

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90ᑓd4.M?ᙶ᪗idJiJᢞṹIᵫ&'(ᓽIᨵ5_Z5Ḅᩭὃ⇋|᧕%ᑮᫀṹḄ5dᙠ(1)pḄ9⊤¡¢£¤ấṹḄ¦5d§ᨵὃ⇋ṹḄ5.50.(1)3411(2)¨©9᝞9©(3)R”ூ4᪆௃⚪ᑖ᪆¯(1)ᵨ}ᵨᵯ⊤±%Ḅᵯ²⊤Ḅᑁ³34x1110=3411஺©(2)ᵬ9ᵯ²⊤V2Ḅᵯ³MRi³Cµᵯ²⊤V2Ḅᵯ¶JK·ᶍᦑᵨµRiḄᵯ¶ºµḄᵯ»ᑣ¼bᜧ©ᦑᵨ¨ᵯ»bᔠᳮ©ᵯ»½᝞9©(3)¾¿ÀÁ³ᘤ⌕ᵨᑖ²ᵯ»ᦑᵨ⌱³CbIḄRIR,5_qR஺(4)᪷8ÅÆ\Ç$ȯ"UDU[Uஹ-U[&ὃ¯±ᵯ²⊤Ḅᑁ³ூÊËÌ௃Z⚪+ᵨᵯ²⊤Í\Cᵯ³±\ᵯ²⊤Ḅᑁ³©ᐵÏ⌕о¿ḄᳮÑÒᑖ᪆¾¿$K"ᩭḄÓÔ¼ÕᔠÖᑖᵯ»ḄÅÆ\Çᩭᜐᳮ¾¿ḄÕ©Z⚪×ØÙ±ᵯ³ḄᦋÛ¾¿ÜbÝ⚨⍝ὃàá⾿K5Ḅe⚪.51.2.45-2.502.0஺2.ãூ4᪆௃ூᑖ᪆௃ூä4௃[1]B(åᨬIᑖ(0.1cm,ᑣI2Ḅx=2.45cm,ᵫã¼2.45cm—2.50cmᙳ$21,[2]ᵫãIçèé'(êḄᒴ&'ìÁ᪷8í=5஺ï$Èᵫãðᑣᨵ

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94ÓÔ$ÕÖ:58.DAiE2ூ-᪆௃ூ0-௃(1)«]᜜Fᜧ,qᱏ®F®ᵯ¯ᜧ°qᱏ®Fᵯ¯ᦑ⌱D஺(2)[2]⚪¥²³Ḅজ⌕µᵯ¶⊤(ᵨ·¸ᑁ¯q¹ᦑq⌱ᵯ;⊤A”[3]·º»¯¼½11C,¾Qᵯ;K0.6A,ᡠÀᵯᵯÁq½6.6V,ᦑᵯ⌱E2஺(3)ভi¯ᘤqÃᵨᑖ¶HÄrBஹCu|ÅÆAஹBÇÈᐰ¯¼CÈᙠ¯ᘤḄiÈ᝞¥ᡠ஺:×G$ᵯভমᵫ⚪¥²dÌefᘤḄᵯ;KL—hÍᙠÌefᘤÇÈḄᵯ¶Khr”ᦑÌefᘤḄᵯ¯K59.2.4x1028xlO10ூ-᪆௃ூ0-௃[1].2ÎÏгÑᨵÓÔ⏚ḄÖ×ØÙÔÚᜧᡈÜÝḄÞ-ÝÜÝḄßàᦪO}ÝáᦪK60,âÀ}Ý☢×2cmx2cm=4cm2,ãÞOÔÚ☢×KS=60x4cm2=2.4x102cm?[2].äÔÚåKᓫᑖçÔÚÔÚèFKᑖçcéᵫV=dS)OÔ⏚ᑖçḄcéd=8xl0'inm(%+360.ᵯêë;8Tூ-᪆௃(1)ᡭ0íᘤᨵᵯîᡭ0íᘤlᵯêëíᘤᐸ³ᵯêëíᘤ<ð8ñò.ᵯêëᡭ0ôᘤbᑭᵨ᯿öᵯᡭOḄêë÷ᡭO0ᵫ¤ᵨø1'ùúᡲü(<ðýþ8ñý.

95(2)┴ḄḄḄᨵ.◤⌕ḄᱥᳮB┴"#Ḅ$%&'()*ᑮḄᱥᳮC,"#$%-.Ḅ┴Ḅ/01%.h-h(3)᪷3ᒴ51678678'9:0;1%<=*=?@᪷3ABCឤEF1h—h(h—*22.161lln61.ADG⌮J18T2ூ-᪆௃ூ0-௃(1)KLᳫḄ7N◤⌕ᳫḄm,ᳫOPQR0Ḅ1%ᜧv&'*AஹB:ḄUOVᔠX'YZḄ0:[\ᡠAD⚗Ḅᱥᳮ◤⌕ᦑ⌱AD஺ফফᳫḄ"12E,--mvk2ᵫd☢ᐝgᑣᳫiAᑮBjᒴ1678ᑣOPQR0Ḅ1%ᜧ3Tὶlm*Ḅ⊤oববᵫqrs☢t-ᐝgᳫᙠ'9vw᥅yjz{ᓄᑁ~QRḄQឋᨵᐰ{ᓄᳫḄᡠ*ḄQឋqᐸ஺62.AbB1.5B4ூ-᪆௃ூ0-௃পᓫᑐPᐵᔠᔣa0ᵫqᵯ⊤Ḅᑖ*ḄᵯᵯᑁᓫᑐPᐵᔠᔣb0ᵫqᵯ⊤Ḅᑖ*Ḅᵯᵯq*ḄᑁᜧNᓫᑐPᐵᔠᔣa0\Ḅᦪ3\ḄAফ7B*Ḅᵯᨵ¡¢£¤¥ᐸ1.5V,ᵫq7B*Ḅᑁ▭ᵯᑁ,ᵯ⊤Ḅᑁ§N¡¢¨ᜧNᵫ7A[*Ḅᵯᑁ£¤¥©(3)ª\ᵯ⊤ḄᑁN=1C,ᑣᑭᵨB*Ḅᑁ£¤¥ᵫN[*ᵯḄᑁr=—Q-1Q=4QO0.3

9663.0.2000.196~0.204ᙳ®°2=ூm᪆௃ூ´m௃᪷3µ¶·ᘤḄ¹ᦪºᑣ»¹ᦪ0.01x20+0.000=0.200mmY¼ᨵᵯ⊤ᵯ⊤A1Ḅᑁ½»ᦑᵨA1⊤¾ᵯ⊤ᵨ¿À⁚Ãᜧ.ᵨᑖg5ᘤḄĺᑣ᝞᝞ᵫᵯÆ»'Ḅᵯ4-ᵯÇÈḄᵯ/ᑁNᵯÊ=Ë12=Y¼ḄᵯᵯᵯÌᵯN*°1264.1.170--gt-+vt2kூm᪆௃ூᑖ᪆௃ூ´m௃Íιᦪ1.1cm,Ï᪗ιᦪ0.05xl4mm=0.70mm=0.070cm,ᡠᨬÒ¹ᦪl.lcm+0.070cm=l.170cm(2)[2]ᳫX'ᐝᵯÓ2Ḅ1%v,᪷38ÔÕ*iPÖ×ØᑮX'ᐝᵯÓ2Ḅ0:■vt=—gᡠiPÖ×ØᑮX'ᐝᵯÓ1Ḅ0:,1,Vt—t—t-----1gᡠX'ᐝᵯÓ1Ḅ1%Vv'—gt"-v—gt᪷3ᒴ51678Ḅ<=*ÛÇᐝᵯÓ:ḄUO

97,V+V12h=------1=vt——gt~221,(3)[3]ᵫÕ஻=ᔆ*h1hªÞÞ/7ß᳛Ḅt-k,ᑣ,1k=^gᡠ1%ᜧg=2k65.q1.5x10-3N0ᵯáᘤᵯâ,ãᵨᵯ⊤ᑁᵯäὶூ-᪆௃ூᑖ᪆௃ூ0-௃(1)[2][3]ᵯáᘤᐙᵯæᡂèᵯáᘤÇ᩽ê:Ḅᵯqᵯᵯ஺ᵫÕ*Q=EC=1.5X1(T3C(2)[4]ëஹì⊤íîᣚèᵯáᘤðᵯâ,ãᵨᵯ⊤ᑁᵯäὶñḄᵯ5ᜧᵯÆᵯ5ᜧ஺66.20.151.730ூ-᪆௃ூ0-௃[1].᪵óḄô%L=2cm+0.05mmx3=20.15mm[2].᪵óḄ᜜öôa=1.5mm+0.()lmmx23.0=1.730mm஺Iio67.8888.8455.0|(M)2.4X103(2.3X103,2.5xl03)0.59SO70XO90100||f>12()IU)140(0.57~0.62)ூ-᪆௃ூᑖ᪆௃

98ூ0-௃পপ¿÷øᵯÆÀ⁚ᵯùḄ8888.8Q஺ফফN0'ÊḄᵯZ=(123.0-82.0)MA=41.0MARiᵫúὶᵯÆ»ᵯ§qᵯḄûᑣ6000.0Q82.0^A2545.0Q+G-41.0஻Am*ᑖ=455.0஺(3)[3]᝞ᡠü(4)[4ᓅ5]G?ᵨḄñᵯ2545.0Q+455.00=3000.0஺ᵫþ*ᵯḄᑁU(124-70)x1O-6Ax3000.0Q2892.86Q(136-80)X10-6Aᑣr=2892.86Q-455.0Q=2437.86Q«2.4xI03QᵯᵯE=/2X3OOO+«+L)ÿ=136.0RAI=7O|1A,ᐭ2E=0.60V68.◤⌕◤⌕Dூ-᪆௃ூ0-௃

99(1)[1J.ᙠ“ஹᐵ'’Ḅᵨ"#$“”Ḅᐵ&◤⌕'⊝᥅*ᔲᑣ-.Ḅ/ᜧ123415Ḅᔠ7(2)[2].ᵨ"#$“”Ḅᐵ&◤⌕89M»m,:;-.Ḅ/<=>?ᘤᩭBḄ;(3)[3].ᵨ"#$“”ḄᐵDᢝmFG15HấṹḄKL1&MN89M»mḄOP&QᯠSᑴFFMᦋF15Ḅ=V-.Ḅ/WXYZ1Ḅ:"a[-ḄM]^_᳛Z1ᦑABC┯cDde஺69.0.2252.150(2.150±0.002)ூh᪆௃ூᑖ᪆௃ூlh௃পn᪷pq᪗ᓱtḄuᦪwxyᐸuᦪ;d—2mm+5x0.05mm=2.25mm=0.225cm(2)[2]᪷p{|B}ᘤḄuᦪwxyᐸuᦪ;D=2mm+15.Ox0.01mm=2.150mm70.~tᨵ4.9Bூh᪆௃ூᑖ᪆௃ூlh௃(1)EH◤⌕BḄᦑ◤⌕~t.(2)[2]ᵫ]yGF=0&x>0,Xᨵᢞᱥ&ᨵᵫ4Ḅ⌼ᡂḄ.ᦑ]=Ḅ:ᵫ4ᨵᨵὃ⇋(ᡈᶍ)Ḅ.[3]ᵫ]ḄᦪF(60-10)X10-3X9.8k=N/m=4.9N/mAx(12-2)x10-2(3)[4]A.ᵫ]¥yF-L]¦§ᙶ᪗Ḅ©ª⊤¬ᦑbḄaḄ⌱⚗A┯c7BC.ᵫḄᦪk=——=°ya]Lb]±_aḄᦪbḄᜧ⌱⚗BdeC┯c7D.]Ḅᱥᳮ³´⊤XḄᜧ1Hᜧ1ᡂd⌱⚗D┯c.

100`a/271.BC0.7004ALூ!᪆௃ூ$!௃(1)%&ᵫ(ᵯ*ᵯ+,-3V,ᵯ⊤/ᦪ⌕2ᑮ456ᑣᵯ8⊤⌱CEফᵫ1;<=ᵯ>?ᨬᜧᵯBC-஺,ᑣᵯB⊤⌱B஺(2)3EFGHᘤḄKLMN-0.5mm,<+MN-20.0x0.01mm==0.200mm,ᡠcᨬd/ᦪ-0.5mm+0.200mm=0.700mm஺(3)4᪷PQᳮSTUVᱥS᝞SQ(4)ম᪷PᵯYLZAR=p['S=7t(y)2!]IRd?p=----------4ALu/v/20-------------------------------------e-------•/672.0.398(0.395-0.399)ᵬ<..o——N________O.-Z___________--5Izi11L00.100.200.300.400.500.60A43—4.7CCDூ$!௃(1)ᵫS=EFGHᘤḄgh/ᦪi0mm,<+MN/ᦪi39.8xO.()lmm=0.398mm(0.395~0.399),ᡠ

101µ¶D=0.398mm.(2)ᵫ⊤ᦪpyᨬ1ᵯ¹ᵯº»1¼½4¾ᵫ"y¿ÀFÁᘤÂᵨᑖ¹Ã¼x:"ÄᵨḄ]ᵬᡠ¬ᵯÇ.(3)ᱥ]ȼɳᵯº⊤᜜¼¿ÀFÁᘤᑖ¹¿ÀFÁᘤḄ¿ᱏP$4FÁᘤḄÌÍȼ&Îᵯ¹⊤ஹᵯº⊤Ḅ¬ᦪᨬ1.᝞]ᡠ¬(4)ÐᔜᦪpÈ&ɳÒÓ=ÔÕḄᨵÖᙠ×⌕ÒØÙḄÚᦪÛÜÝ3Þ/?=k=4.50(4.3~4.7)(5)᪷pᵯÁßàR=p=^-»1.0xl0-6nm,4LᦑCdeABD┯c.(6)A.ᵨ{|B}ᘤBáâ㵶&ᵫ4uᦪäåḄcæâ4ᏔᯠcæA┯c7B.ᵫ4ᵯº⊤Hᵯ¹⊤ᑁÁäåḄcæâ4écæB┯c7C.êëxBᵯÁ&ᵯº⊤Hᵯ¹⊤ḄᑁÁäåḄcæécæìÐᵯº⊤Hᵯ¹⊤ḄᑁÁíîᙠᑁ,ð◀ᵫBò⊤(ᵯº⊤ஹᵯ¹⊤)äåḄécæCde7D.ᵨU--I]¦ᜐᳮᦪpôáâᵯÁÐ┯cḄᦪpᡈcæLᜧḄᦪp(᝞]õ6Ú)öᣵᙠµ×ḄᙳᒴᑖúᙠḄØÙ᪵Z1ᏔᯠcæDde.73.0.580.599.7ூ-᪆௃

102ூ$!௃ᒴmnopq+rstuᑁ6?utMnNw(xᙳnN:0.8640-0.3840,---------------m/s=2.4m/s2T2x0.1+}~|2AE+m)v«0.58Jk2ফ,}Ḅ:AEp=(ᕣ—m^gh«0.59Jফব᪷P}ឤLZ12(/n-m,)gh=—(/஻]+m)v*"22]12:2(HCᔩ)g((+%)᳛k_2(m-m^g_13.582(+?)1.40]g=9.7m/s2o74.156F=156(L-0.02)¡¢Q£ூ!᪆௃ூᑖ᪆௃ூ$!௃(1)”&¡¢¡¦F§¡¢£NLḄᐵS©Ḅ᳛⊤ª«Nᦪ6ᑣ«Nᦪ5k=N/m=156N/m0.052-0.020ফফ3&ᵫS?V®ᦪP¯ᔠ±²LZ]ᑮ¡¢¡¦ᜧ³F§ᐸ£NLḄᐵµF=k(L-N)=156(£-0.02)ᑖ᪆S©<=6Sp§·¸Ḅᜳº⊤ª¡¢ḄQ£ூ!᪆௃ூ$!௃

103(1)ßüᵯÁåDýþᵨᵯÀÿ5V,ᐕḄᵯ5()mAᵫ/?==100஺◤⌕Ḅᵯ100-50=50஺ᦑᵯᦪBCᙳ!"#ᵫ$B%&'᳛)*"ᡠ!&ᵯ*"ᦑ,⌱.C(60஺"LOW)(2)᪷01ᳮ33"456ᱥ3᝞3ᡠ9(3)ᵫ:ᔠᵯ<—R,᦮ᳮ>=?^-'+^"᪷03EFG=020,R+R1+rUEREEHE=5.0V=k=°-56"°-2()=22.5,Hr=5x22.5—60=52.50a530.E0.016ூJK௃⚪ὃOPQᵯRSTᑁᵯḄ6V"WXYᵨᵯ[⊤T]^PᵯRSTᑁᵯḄ_`a“c`”"eᵨ3EHf"ghi

104ூ!᪆௃ூᑖ᪆௃ூ$!௃পপ¼᪗ᓱhḄgh/ᦪ-12mm,¼᪗/ᦪ-0.05x8mm=0.40mmᑣ¼᪗ᓱhḄᨬd/ᦪ-d=12+0.40mm=12.40mm(3)2&³ᳫBÁÂᐝᵯÄḄÅtnNAஹBÇ+Ḅ4ÈÉÊ-12,AஹBḄËnNÌw6᪷PÍ=ᔆ஺=AஹBḄnNÉÊ-12,ᡠcAḄÅtnN+}~.„11251nd22--mv.+-mv~=------k2A2B8ÐÑÒÓ¦,}Ḅ³=mg21—mgl=mgl78.DAEFmg(s+s)—[(5+5)2-(5+5)2]2334(28ூ!᪆௃ூ$!௃(1)ᙠ®Ö}ឤLZḄV®?6V®t6a×ÓᱥØ☠ᡭºÛtᘤ6ÜÝḼßàḄáâ6ãᢝßàåo6ᵫ☟çèé.ᦑDëì6ABC┯ï.(2)ð®?◀òóôõஹᜳöஹ÷pஹßàwᘤᩞ.ù`ú⌱ûḄV®ᘤᩞiᵯüýᡭºÛtᘤஹMNhþÓ┴ᦑ⌱AEF(3)ᡭBᑮᡭDḄ┴AEp=mg(s+S3)2BḄ%&'()=*=+,?)'DḄ%&'(/=0=ᑣ2Ḅ345Ek=478g9:=;($3+4)2-(<+$2J-79.2.49.6BூD᪆௃ூᑖ᪆௃

105ூH௃[1]᪷0!ᦪ0"¨u6V©ᱥAªᐝᵯ¬Ḅ®d..v=—=2.4m/st[2]¯AஹB᦮°±²³t´8=(!+¶)“¸v2a-——2h¹ᐭᦪ0Hg=9.6m/s2বᵫ$¼ᙠ¾"¿ÀÁ®*"6V©¾Á®ḄPQÂ6▭*஺ூH᪆௃ூᑖ᪆௃ூH௃(1)Ä][2]Çᵯ

10681.0.051.611.40ூH᪆௃ூᑖ᪆௃ூH௃পᵫ⚪FÛÜᦪJÝÞᨵ2ßᡭJáâm"ᑣßÜᦪJḄfÝÝ◞jT=3xL=0.05s60[2]᪷0ᒴ]åæçRḄèéêoAr=«T2!zmÁ®Ḅᜧ*"ᑣᨵa=1.61m/s26T2[3]᪷0ᒴ]åæçR%fÝ%JḄ®$¨Í%Ḅëᙳ®"ᑣᨵS4+S56.41+6.81in_2..__.V4=———--------------xl()m/s«1.32m/s2T2x0.05ᑣᡭÜᦪJ“5”f"*ìḄ®v=v+aT=\.40m/s5482.ᐜ5ᡭJÜfᘤᵯ0.600.595ᙠᐕïᑁ"¨6VVðñᳫóôÍ%RQõឤூH᪆௃ூH௃(1)[1]ñᡭJ÷"6Vf,ᐜ5ᡭJÜfᘤḄᵯ"pøᙽú(2)[2]ûᵨüýþḄÿᙽ1Ḅ஻0=0.12m/s=2m/s0.02x3ᡠPo=0.300x2kg-m/s=0.600kg-m/s[3]ᵨḄᙽ1ᙽ2Ḅᙽ1vi0.059,…V.=----------m/s=0.983m/s10.02x3ᙽ2V22.1x10-3V,=------------------------Tm/s=3m/s-0.700x107

107ᙽᵨḄᜧp=P%+rn,v=0.300x0.983kgm/s+0.100x3kg-m/s=0.595kgm/s2(3)[4]ᑖ᪆"#$Ḅ%&'()ᑮḄ+,-ᙠᐕ0124ᑁ678&''9:ᳫ"#7<=>ឤ஺83.0.3980.396~0.399ᙳ(BᑖCDFG(ᑖLPQRS()ᵯF⊤A1Hᦪ/,ᵯL⊤VHᦪUᵯ᩽AஹBVWḄMNLP~~nd-Rூ-᪆௃ூ0-௃XYZ[ᘤ]^_0,(_39.8x0.01mm=0.398mm,ᡠ`ᦪ0+0.398mm=0.398mm(2)[2]abFᵯcᵯd6V,ᵯL⊤V2

108[R+&I&+.J——IRvJবয᪷ᵯpR*=p—Sᐸ=ↈↈ¡¢(£-ᙊᕜ¦§¨©Ḅª«ᓽS~iid•ᡠ:Zↈ¨◤⌕Z®ᐭᵯ{Ḅᵯp¦ᵯ᩽AஹBVWḄMNভ±⚪ᨵR-p———nd-a84.◤⌕AஹBḄWMxµ¶=gµ·Cூ¹᪆௃ூ»¹௃1%&'◤⌕¼⊝᥅¿À᝞ÁÂᙠ᥅¿ÀᑣÃÄÅÆḄÇÀÈf-ÆḄᔠ᜜Àᑣᔠ᜜ÀḄÊËRᐹÍ}Î஺2Æ67ᐝᵯÐḄµ=µ᪷gᳮgµµÓ-0=µµᡠ◤⌕ZḄ-AஹBḄWMx,᪷ÔP()ᔠ᜜ÀÅÆÕḄÊÖÆgᦋoḄᐵPµµ=gµØ85.R2a21048ூ¹᪆௃ூᑖ᪆௃ூ»¹௃পজ[1].ᵫ⚪Ú(ÛᵯcᵯdÜ8V,ᵯF⊤<200mA,ᑣᵯF⊤ÝÞß◤⌕ḄᵯFQ/=2=40஺0.2ᦑ:sᐰáâopᘤ⌱iR2ঝ[2].:ãᵯ{=ᵯFᵫᨬ¢åæ⁚opᘤ¢åQᐭᵯpᨬᜧᦑᱏéaêÓঠ[3].ᵫ&'ëì(Û%&'ᵨ:íßRᵫᵯF⊤HᦪîïᩭḄíᑣñòᵯF⊤ᑁpÖᵯpóᵯpôᓽRg=2C

109(2)[4J.᪷&'ᵯ{õöᔠᵯ{(Û:/=-----------------R+R&+&+ro«()1=r+4+/ùú+6IEᑣᵫû(ÛûḄü᳛,135-15…k=——=--------=0.1E200¹)E=10V[5].ûÖþÿḄ5,ᑣr+R-Er=48£286.AD1.132.50Bூ᪆௃ூ௃(1)[1]A.Ḅᔠ᜜ᑮḄ⊝᥅ᦑA!"B.ᑮḄ#$ᘤḄ&'(◤⌕ᵨ,-Ḅ./Ṻ1Ṻ᫜Ḅ3456(◤⌕78Ṻ1Ṻ᫜Ḅ9:;Ḅ9:ᦑB┯="C.,->ᩈ@7ᢝBC⊝D᥅ᩈ@(EᡠG,-H(EᦑC┯="D.ᐙᑖᑭᵨLM☠.ᡭPQᘤᐜSTᵯVWXYᡭZ[ᩩLM]Q^_#$ᘤḄ`ᦪᦑD!஺ᦑ⌱AD.(2)[2]ᡭPQᘤᵯVḄ⚣᳛5()Hz,fg&hPᦪijkᨵmhPQnᨵoZᩭᑣfgPᦪjQjj◞T=0.10s᪷sᒴuvw-xy6jQzḄv{|}Ḅᙳv{ᐭᦪsv«1.13m/s3

110[3]᪷s⌲ᨵx+x+x-X,-x-x45623a~Qᐭᦪsa»2.50m/s2(3)ভᩈ@EYQnᨵ⊝ᑮḄ᥅ᑣᨵ2F—R=Ma᦮ᳮL2MMMᑣa-(Ḅ-ᦑB!ACD┯=஺ᦑ⌱B஺87.u(uூ-᪆௃ூ0-௃[1]᪷s⚪ᵯ⊤V:ᵯVḄᑁᵯᵯ⊤Vz:ᵯᵫᔠᵯ:R+rᵯRḄ¡¢ᔣ¤¥yQ᜜ᵯ¦§ᵯ¨©ᜧᵫ:°ᑁ=஻ᑁᵯuᜧᦑᵯ⊤2Ḅ`ᦪu"ফCᵯVᵯy¬ᵯVᑁ᜜ᵯi1ᦑᵯ⊤11ᵯ⊤2Ḅ`ᦪi1(u"7ᢝ¡yuᘤRḄ®(u¯ᢱ@ᔣ±¥yᑣᵯVḄᑁᵯ¯¦᪷sU=E-Ir²ᔠᦪ³´ᳮ:Ur------MᡠGᵯ⊤1Ḅ`ᦪuᓄ:AU>ᵯ¨⊤`ᦪuᓄ:¶/Ḅ¸®ᜧᵯVḄᑁᵫᢱ@ᔣ±xyQ¹ºḄ»¼☢¾uᜧ᪷sᵯ:R=p—Sᑁᵯ¦ᦑ¸®u஺(x2ARx2ṩQmgR------I4ᑓ4Hsூ-᪆௃

111ூ௃[1]¿AᑮB,ᵫyÀᳮÁmgR=EKB-O*ᑣᱥᙽᑮÄBQḄyÀÁEB=mgR,KÅÆCÇᱥᙽÈÉxyEÊᔣÁx=vt,cËwÊᔣÁ-12஻=ggᔆᱥᙽᙠcḄyÀE=ST3ὶÎ:KCKC4H[2][3]ᵫBᑮCÏ6ᵫyÀᳮÁ-W=^mvc-^mvlfBᑮCÏ6ÐÑ᥅ÈḄÒÁ2/2ஹÕmgxᔆu/W=jLimgs=mgR-------=mgR------f:s4Hs89.CmghB×Ø%—ẑÜ2gDூ᪆௃ூᑖ᪆௃ூ௃(1)Ý|CᡭPQᘤᨵPQÒÀᡠG(◤⌕ß⊤ᦑ⌱C஺(2)ফ᪷s3ᱥḄ3¬À¦à:ᓽ3ÈḄÒÕὡ=äå"[3JBv{᪷syÀæç2T

112বভ᪷syÀᳮmgh.=1—m2v2ᓃ=2g,ᡠGê᳛Ḅᱥᳮë2g஺h(4)ম᪷sGíZîïAEJḄðᨵQjt,QjTᡭPQᘤᡭḄñZᩭḄfòó!ᡠGAEJḄPôᨬó!=ᨬ஺AEp᪷sö÷Ḅø{PôZᩭḄᵫᑮîï4▭ö÷ø{úᶍAEJ6òüḄö÷ø{஺᪷sA"121(hc-hS-/?,)"I2T)8T2îïAEkᨵh31h2&hᦪsᡠGýþ=¸AEpÿᜧAEp>AEkᡠᑮAEJ>AE>AE,ᦑABC┯D஺pkᦑ⌱D஺90.0.502.001.000.43ூ-᪆௃ூ0-௃(D[1].ᦪᨵ4᪗ᑣT=0.1s᪷"Ax=#ᔠ⌲&'():X64-X5+X4-X3-X2-3(3.87+3.39+2.88-2.38-1.90-1.40)xIQ-2a=9T2m/s2=0.50m/s29x0.12(2)[2][3].ᑣ+3,-Ḅ/ᦪ02.00N+4,-Ḅ/ᦪ01.00N(3)[4].,1ᙽ34ᱥḄ᦮78mg-jiMg=(M+m)aᐸ:mg=L00N,Mg=2N,;<=0.4391.v2=2aL0.34(0.32~0.35ᙳ()ᜧH1IJKLMCᨵ᥅OP◤⌕ூ-᪆௃ூ0-௃(1)[1].᪷"ᒴ@ABCDEḄFGᨵV2aL஺(2)[2].SᩈᙽḄUV0M,WṹḄYUV0ᐭ,᪷"\]^_`Gᨵ

113mg-f=^M/=஻dM+஻4J_஻zgὶf;gAhT…ᵫ⚪+()kl=0t7=-g=-3.3m/s2,ᑣᩈᙽJᩈmḄE᥅Onᦪ஻=0.34/Z[3].n1IJKLஹMCᨵ᥅OᡠpVqᜧHrsq஺(3)[4].st:uᨵvᵨMCxyzH4yᡠP◤⌕{|}ᢞWṹḄYUVHᩈᙽ:WṹḄYUV஺92.᝞+ᡠ/:2001090150ூ;᪆௃ூ;௃(1)জᵫᳮ+C᝞+:ঝᵫᔠᵯ`G()ḄᵯᡠᮣᵯGḄᑁRg=200஺ফᵫ⊤ᜮᦋᡂᜧV¡Ḅᵯ⊤ᳮ()k¢ᐵ¤b⊤ᜮJR2¥ὶ¦JRi¥ὶ§¨©ª¢ᐵ¤c«ᜧᦑ¢ᐵ-¤bᵫᵯ⊤Ḅ¨V¡():¤cᨵ8R+R,=¬*-0=100஺192x10-3¤bᨵ829x10-3¯=1x10-3x200+°±ὶf;8A=10Q,4=90Q3ব¤a/3=30³ᒹµᵨᵯ⊤Ḅᑁ08&="…Q=10°Q§¹ºpᵯḄᵯ030x10'00.4x(90+200)-4rI=0.4H---------------------=12inA,ᡠYᵯ08

1143RU.=]2ஹ]083஺=25°Q:ᡠpᵯq0150QoYZூ-᪆௃ூ0-௃পপn0ᵯ¼Ḅ½`ᵯ¾02V,0¿ÀstÁᐰ⌱ᵨḄᵯ¾⊤V¡-ÃᜧH2V,ÄPÅᜧƵV¡Æᜧᑣ/ᦪPÇᡠÈÅ⌱ᵨV¡003VḄᵯ¾⊤ᦑ⌱A;[2]ᵫÉ=஺/ᵯ¼Ḅ½`ᵯ/=—=1AU-⌱ᵨV¡001.0AḄᵯ⊤ᦑ⌱D஺ফÊᵫ⚪Ë()ᵯ¾Ì¢Í@ᓄÏ⌕µpÐÑᦪ"ᦑÈÅvᵨ1E@ᘤᑖ¾¤'ᑖ¾¤':0Ô⁚Ö×-⌱YqḄ1E@ᘤᦑ⌱E஺বভমᵯ¼ᑁᵯ¾⊤ᑁᜧHᵯ¼ᑁ-vᵨᵯ⊤᜜¤'ᦑᵯ+sᱥ¤+ᑖÛ᝞+ÜஹÝᡠ/ÜÝ94.0.963.02gூ-᪆௃ூ0-௃ᵨÞ᪗ᓱàpVfÖ7áᙽḄâãd=0.9+0.1mmx6=0.96cm஺(3)[2].áᙽä¹ᐝᵯæḄAh

115d0.96x10-2m/s=3.0m/sAZ-3.20xl0-3(4)[3].ᵫg=“ᑣvJ2gh,ᑣèḄv^-h+éḄê᳛02g஺95.(1)L8V(2)ᵯ¾⊤L3Vµᵨᵯ⊤Bᵯ᫏1mAR(3)C+í;᪆2ூ;᪆௃î⚪ᑖ᪆8(1)ïᵨ⊤ðᦪ0L8V(2)ᵨñÁ'pVᵯòḄᵯEó3ᑁ-⌱ᵨL3VḄᵯ¾⊤pVᵯ¾,n0ä¹ôõᵯöḄᨬᜧᵯPø¹1mA,ᦑ⌱ùµᵨᵯ⊤Bᵯ1mA᫏;n0ᵯöᑁᙠlkQ-2kQüᡠ1E@ᘤ⌱ùR2(3)sᱥC᝞+ᡠ/.ὃ8pVᵯòḄᵯEó3ᑁ96.B¿Àÿ᝱ᓄᢝCூ᪆௃ூᑖ᪆௃ூ௃(1)[1]A.ឋᵨ!"#$%ᘤḄ()A◤⌕,BD.ᵫ.$%ᘤḄ/0ᙳᒴឤ4᪷6V=LS789:;<ᡂ>?ᡠAB◤CDEFGHIḄ:;<J◤KL/0B◤⌕D◤⌕,C.M7NḄᓄOPᡠA◤⌕CDNQ⊤GHIḄNSC◤⌕஺U⌱◤⌕Ḅᦑ⌱B஺(2)ফYZ[\Ḅ]^_N`abᓣdefLbghiZᓣdᡠAj᪵lḄmḄ᝱ᓄᢝ஺PV1](3)n᪷6o-=C7plqᓄrpsVᡂt?ᓽ8"ᦑvw/xᡠA/yt᧜Psvᡂt?Ḅᐵ|lvwC>}஺

11697.Fi0.05Cூ᪆௃ூᑖ᪆௃ூ௃পBQᘤIᦪ>Sᵫ⊤^_ᦪ67AᘤḄ⊤QFiফ⁚O,ᵫ⊝ᩩMὡsin300=mgMm=0.05kgফnUAᘤᙊOḄᙊᘤḄᘤsOḄᢝᓽOᢝᦑABD┯C>}ᦑ⌱Cூ᪆௃ூ௃(2)1᪷64¡ᨵ£F=k(k-h)¤M¥Ḅ¦|ᦪ:বফl©W-V?vª᝞vᡠI:(4)3ᵫvª7W-V?vª¬Ḅᩩ/xᡠA¥l®s¯ᳫ±MḄgḄᐵ|£¥

117[\]ᳫ_`Ḅ'(abᡂde஺99.(1)B(2)0.3ூD᪆௃ூfD௃g8h.ᡭi&ᘤkᡭᓽmn⍝&pᦑq◤⌕t⊤ᦑA┯w.xyzq◤⌕{|ᙽḄ~ṹ~nᦑq◤⌕ᜩaᦑB┯w.yz◤⌕{pḄ◤⌕(ᦑCd.|ᙽᑮḄ;ṹḄq◤⌕{i{ᦑD┯w.ᦑ⌱Cgh.ABCᵨgm`a=§7------Y=²(jg,ᐸm+m'M+)M+=mᡠ)a-m¡¢£Ḅ¤¥-jig,ᦑ-ng=-3,n=0.3.010().9cm50N/mAூD᪆௃ூfD௃᪷§Ḅa⊝ᨵG=2Q-4)ªG=2N&L=llcm]G=3N&L=12cm«ᐭD`L()=9cmk=50N/m(2)[3]AஹB®ὶ°ᩭ²ᵨ³¥F&´µḄ¶·¥x,᦮¹¶·¥2x,ᵫF=kx,m`᦮¹Ḅ»(ᦪL=£=&=25N/m2x2ᦑ½A஺

118

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