【MOOC】大學(xué)物理-常州大學(xué) 中國大學(xué)慕課MOOC答案

【MOOC】大學(xué)物理-常州大學(xué)中國大學(xué)慕課MOOC答案第0章單元測驗(yàn)1、【單選題】】2、【單選題】】第3章單元測驗(yàn)(Chapter3UnitTests)1、【單選題】本題答案：【】2、【單選題】本題答案：【】【單選題】本題答案：【】4、【單選題】本題答案：【】法拉第電磁感應(yīng)定律(FaradayElectromagneticInductionLaw)1、【單選題】】第8章單元測驗(yàn)(Chapter8UnitTests)1、【單選題】本題答案：【a點(diǎn)比b點(diǎn)電位高；higherpotentialatpointathanatpointb;】2、【單選題】】3、【單選題】本題答案：【】4、【單選題】本題答案：【】5、【單選題】本題答案：【】6、【單選題】本題答案：【】試求均勻帶電圓環(huán)軸線上的電勢(shì)(ElectricPotential--Ring)1、【單選題】均勻帶電圓環(huán)軸線上的電勢(shì)為___。本題答案：【A】3、【單選題】均勻帶電球殼在空間電勢(shì)的分布為本題答案：【】4、【單選題】均勻帶電球體在空間電勢(shì)的分布。本題答案：【】大學(xué)物理（上）期中考試(CollegephysicsImid)1、【單選題】地球質(zhì)量是多少？WhatisthemassoftheEarth?本題答案：【】2、【單選題】國際單位制也叫___TheInternationalSystemofUnitsisalsocalled___本題答案：【千克米秒(kgmsSystem)】3、【單選題】本題答案：【】4、【單選題】本題答案：【】5、【單選題】質(zhì)點(diǎn)指的是___AParticleisa___本題答案：【只考慮質(zhì)量，不考慮形狀的模型amodelthatconsidersonlythemassandnottheshape】6、【單選題】瞬時(shí)速度就是___Theinstantaneousvelocityis___本題答案：【】7、【單選題】求解運(yùn)動(dòng)學(xué)問題，為什么需要初始條件？Whydoweneedinitialconditionstosolvethekinematicsproblem?本題答案：【初始條件用于確定積分常量，使不定積分變成定積分；Theinitialconditionsareusedtodeterminetheintegralconstantsothattheantiderivativebecomesadefiniteintegral;】8、【單選題】下列說法哪種是正確的？Whichofthefollowingstatementsistrue?本題答案：【】9、【單選題】拋體運(yùn)動(dòng)的共同特點(diǎn)是___Thecommonfeatureofprojectilemotionisthat___本題答案：【】10、【單選題】本題答案：【】11、【單選題】在自然坐標(biāo)系中的速率為___Therateinnaturalcoordinatesisequalto___本題答案：【】12、【單選題】牛頓第一定律，是___Newton'sthirdlawis___本題答案：【慣性定律；LawofInertia;】13、【單選題】牛頓第二定律，是___Newton'sthirdlawis___;本題答案：【】14、【單選題】牛頓第三定律，是___Newton'sthirdlawis___本題答案：【作用力與反作用力定律；Lawofactionandreaction;】15、【單選題】在常見的三種力中，第一種是萬有引力，萬有引力與重力的關(guān)系是___Ofthethreecommonforces,thefirstisUniversalGravitation,andtherelationshipbetweenUniversalGravitationandGravityis___本題答案：【重力是萬有引力中特殊的一種力，重力屬于萬有引力；GravityisaspecialforceintheUniversalGravitation,GravitybelongstotheUniversalGravitation;】16、【單選題】萬有引力常數(shù)的單位是___TheunitsoftheUniversalGravitationConstantare___本題答案：【】17、【單選題】以下說法正確的是___Thefollowingstatementiscorrect___本題答案：【彈簧的彈力是彈性力，拉繩子的力是彈性力，甲乙兩人各用200N的力拉一根繩子，繩子中的張力為200N;Thespring'sspringforceistheElasticForce,thepullontheropeistheElasticForce,atwopeopleeachpullaropewiththeforceof200N,thetensionintheropeis200N;】18、【單選題】求一個(gè)函數(shù)的極大值，通常用的方法是___Theusualwaytofindthemaximumofafunctionis___本題答案：【一階導(dǎo)數(shù)等于零，二階導(dǎo)數(shù)小于零；Thefirstderivativeiszero,thesecondderivativeislessthanzero;】19、【單選題】質(zhì)點(diǎn)動(dòng)力學(xué)解題的一般方法是___ThegeneralwaytodoParticleDynamicsis___本題答案：【選取研究對(duì)象；獨(dú)立受力分析；選取坐標(biāo)系；列方程求解；Selecttheresearchobject;Independentforceanalysis;Selectthecoordinatesystem;Solvingequations;】20、【單選題】】21、【單選題】】22、【單選題】本題答案：【】23、【單選題】】24、【單選題】本題答案：【】25、【單選題】功的單位___TheunitofWork___本題答案：【牛頓·米N·m】26、【單選題】功率可以表示成___Powercanberepresentedas___本題答案：【】27、【單選題】質(zhì)點(diǎn)動(dòng)能定理，說的是___TheKineticEnergyTheoremforParticlessays___本題答案：【合外力所做的功等于質(zhì)點(diǎn)動(dòng)能的增加；TheWorkdonebytheExternalForceisequaltotheincreaseoftheKineticEnergyoftheParticle;】28、【單選題】重力做功等于___TheWorkdonebyGravityisequalto___本題答案：【質(zhì)點(diǎn)重力勢(shì)能增加的相反數(shù)；NegativeincreaseofGravitationalPotentialEnergyofParticle;】29、【單選題】萬有引力做功等于___TheworkdonebyUniversalGravitationisequalto___本題答案：【萬有引力勢(shì)能增加的相反數(shù)；ThenegativeoftheincreaseofUniversalGravitationPotentialEnergy;】30、【單選題】關(guān)于內(nèi)能做功，以下說法正確的是___ThefollowingstatementaboutInternalEnergydoingWorkistrue___本題答案：【蕩秋千時(shí)，會(huì)蕩秋千的人到最高點(diǎn)時(shí)站直，到最低點(diǎn)時(shí)蹲下，秋千會(huì)越蕩越高；WhenplayingonaSwing,thepersonwhoplaysonaSwingwillstandupstraightatthehighestpointandsquatdownatthelowestpoint;】31、【單選題】以下說法哪個(gè)是正確的？Whichofthefollowingstatementsistrue?本題答案：【當(dāng)合外力與非保守內(nèi)力做功之和等于0，系統(tǒng)機(jī)械能守恒；WhenthesumoftheWorkdonebytheExternalForceandtheNon-conservativeInternalForceisequalto0,theMechanicalEnergyofthesystemisconserved;】32、【單選題】關(guān)于功，以下說法正確的是___Thefollowingstatementaboutworkistrue___本題答案：【功是能量交換或者變化過程中的度量；Workisameasureofenergyexchangeorchange;】33、【單選題】第一宇宙速度是___TheFirstCosmicVelocityis____本題答案：【】34、【單選題】第二宇宙速度是___TheSecondCosmicVelocityis____本題答案：【】35、【單選題】第三宇宙速度是___TheThirdCosmicVelocityis____本題答案：【】36、【單選題】沖量是___Impulseis___本題答案：【力的時(shí)間積累效應(yīng)；Timeaccumulationeffectofforce;】37、【單選題】質(zhì)點(diǎn)動(dòng)量定理說的是，TheParticleMomentumTheoremsays,本題答案：【一段時(shí)間內(nèi)外力作用的沖量等于質(zhì)點(diǎn)動(dòng)量的增量；TheImpulseofinternalandexternalforceoveraperiodoftimeisequaltotheincrementofMomentumoftheParticle;】38、【單選題】質(zhì)點(diǎn)系的動(dòng)量定理，說的是___TheMomentumTheoremforParticleSystemssays___本題答案：【質(zhì)點(diǎn)系合外力的沖量，等于質(zhì)點(diǎn)系動(dòng)量的增量；TheMomentumofParticleSystemisequaltothemomentumincrementofparticlesystem;】39、【單選題】動(dòng)量守恒的條件是___Theconditionformomentumconservationis___本題答案：【合外力等于0；ThenetoutsideForceisequalto0;】40、【單選題】關(guān)于彈性碰撞，IntermsofElasticCollisions,本題答案：【動(dòng)量守恒，動(dòng)能守恒；Momentumconservation,KineticEnergyconservation;】41、【單選題】關(guān)于完全非彈性碰撞，F(xiàn)orCompletelyInelasticCollisions,本題答案：【動(dòng)量守恒，動(dòng)能不守恒；Momentumisconserved,KineticEnergyisnotconserved;】42、【單選題】關(guān)于一般非彈性碰撞，F(xiàn)orGeneralInelasticCollisions,本題答案：【動(dòng)量守恒，動(dòng)能不守恒；Momentumisconserved,KineticEnergyisnotconserved;】43、【單選題】】44、【單選題】轉(zhuǎn)動(dòng)定律說的是___TheRotationLawsays本題答案：【】45、【單選題】】46、【單選題】本題答案：【】47、【單選題】本題答案：【】48、【單選題】力矩做功的功率為___ThePowerofMomentdoingWorkperunittimeis___本題答案：【】49、【單選題】本題答案：【】50、【單選題】繞定軸轉(zhuǎn)動(dòng)的動(dòng)量矩對(duì)時(shí)間的一階導(dǎo)數(shù)，等于作用在剛體上所有外力對(duì)軸的力矩的代數(shù)和，稱為___ThefirstderivativeoftheMomentofMomentumwithrespecttotimeofrotationabouttheFixed-axisisequaltothealgebraicsumoftheMomentofForceontheaxisactingontheRigid-body,Itis___本題答案：【剛體繞定軸轉(zhuǎn)動(dòng)的動(dòng)量矩定理；TheoremofMomentofmomentumforRigid-bodyrotatingaboutFixed-axis;】51、【單選題】】52、【單選題】本題答案：【】54、【單選題】本題答案：【】55、【單選題】】56、【單選題】本題答案：【可能追上；itispossibletocatchup;】57、【單選題】本題答案：【】59、【單選題】本題答案：【】60、【單選題】本題答案：【】62、【單選題】本題答案：【】63、【單選題】】64、【單選題】本題答案：【可以用動(dòng)量守恒定律做；itcanbedoneusingthelawofconservationofmomentum;】66、【單選題】】67、【單選題】質(zhì)量為M的人，攜帶著質(zhì)量為m的沙包跳遠(yuǎn)，若跳至最高點(diǎn)時(shí)，向后扔出沙包，則跳遠(yuǎn)成績提高量____ThemassofMpeople,withthemassofmsandbaglongjump,ifjumptothehighestpoint,throwbackoutofthesandbag,thelongjumpperformanceisimprovedas___本題答案：【正比于沙包質(zhì)量，正比于扔出沙包時(shí)的相對(duì)速度；proportionaltothemassofthesandbag,proportionaltotherelativevelocitywhenthesandbagisthrown;】68、【單選題】本題答案：【不能Can't】69、【單選題】】70、【單選題】本題答案：【】71、【單選題】本題答案：【】72、【單選題】當(dāng)外力矩為零時(shí)，質(zhì)點(diǎn)動(dòng)量矩守恒。例如行星繞太陽旋轉(zhuǎn)，電子繞原子核旋轉(zhuǎn)等，因?yàn)榉N種原因外力矩為零，故質(zhì)點(diǎn)動(dòng)量矩守恒。Whenthemomentofexternalforceiszero,themomentummomentofmassisconserved.Forexample,Planetsrevolvearoundthesun,Electronsrevolvearoundthenucleus,etc.,becauseofvariousreasonsthemomentofexternalforceiszero,sothemomentummomentofmassisconserved.本題答案：【對(duì)True;】73、【單選題】當(dāng)作用在質(zhì)點(diǎn)系上所有外力對(duì)某一固定軸的力矩之和為零，則質(zhì)點(diǎn)系對(duì)該軸的動(dòng)量矩保持不變。例如花樣滑冰表演者，可以繞通過重心的鉛垂軸高速旋轉(zhuǎn)，也可以展開雙臂緩慢旋轉(zhuǎn)，在這一過程中，摩擦力矩可以忽略，因此表演者對(duì)旋轉(zhuǎn)軸的動(dòng)量矩守恒。Whenthesumofallthemomentsofforceactingonafixedaxisontheparticlesystemiszero,themomentofforceoftheparticlesystemonthefixedaxisremainsconstant.Afigureskater,forexample,canspinathighspeedaroundaplumbaxispassingthroughthecenterofgravityorslowlyrotatehisarms.Inthisprocess,thefrictionmomentofforcecanbeignored,sothemomentofmotionoftheskatertowardtheaxisofrotationisconserved.本題答案：【對(duì)True;】74、【單選題】本題答案：【】75、【單選題】本題答案：【動(dòng)量守恒，機(jī)械能不守恒；Momentumisconserved;Mechanicalenergyisnotconserved;】76、【單選題】本題答案：【P與Q的速度相等；thevelocityofPisthesameasthatofQ;】77、【單選題】】78、【單選題】本題答案：【】79、【單選題】】80、【單選題】本題答案：【】81、【單選題】】82、【單選題】本題答案：【】83、【單選題】本題答案：【】84、【單選題】】85、【單選題】】86、【單選題】本題答案：【】87、【單選題】本題答案：【】88、【單選題】本題答案：【角動(dòng)量；angularmomentum;】89、【單選題】】90、【單選題】本題答案：【250N;】91、【單選題】本題答案：【】92、【單選題】本題答案：【】93、【單選題】本題答案：【】94、【單選題】本題答案：【】95、【單選題】本題答案：【】96、【單選題】本題答案：【】97、【單選題】本題答案：【】98、【單選題】本題答案：【】99、【單選題】】100、【單選題】本題答案：【是；yes;】大學(xué)物理（上）期末考試客觀題(ObjectiveQuestion)1、【單選題】本題答案：【】【單選題】本題答案：【】3、【單選題】本題答案：【】4、【單選題】本題答案：【】5、【單選題】一飛輪以每分鐘1500轉(zhuǎn)的轉(zhuǎn)速轉(zhuǎn)動(dòng)，受制動(dòng)50秒后靜止。則從制動(dòng)開始到靜止飛輪轉(zhuǎn)過的轉(zhuǎn)數(shù)為___Aflywheelrotatesataspeedof1500revolutionsperminuteandstopsafterbeingbrakedfor50seconds.Thenumberofrevolutionsfromthestartofbrakingtotherotationofstationaryflywheelis___本題答案：【625reviews】6、【單選題】本題答案：【】7、【單選題】本題答案：【】8、【單選題】本題答案：【】9、【單選題】本題答案：【】10、【單選題】本題答案：【】穩(wěn)恒磁場與電磁感應(yīng)部分平時(shí)測驗(yàn)(testforB)1、【單選題】】2、【單選題】洛侖茲力表示成___Lorentzforceisrepresentedas___本題答案：【】3、【單選題】本題答案：【】4、【單選題】本題答案：【】5、【單選題】本題答案：【】6、【單選題】】7、【單選題】安培環(huán)路定理，正確有表示為___TheAmpereLoopTheorem,correctlyexpressedas___本題答案：【】8、【單選題】本題答案：【】9、【單選題】】10、【單選題】】11、【單選題】】12、【單選題】本題答案：【向右偏轉(zhuǎn)；Deflectiontotheright;】14、【單選題】導(dǎo)體切割磁場線，沒有構(gòu)成閉合回路的話，那么___Theconductorcutsthemagneticfieldlinewithoutformingaclosedloop,then___本題答案：【沒有感應(yīng)電流，有電動(dòng)勢(shì)；thereisnoinducedcurrentandthereisanelectromotiveforce;】15、【單選題】感應(yīng)電流的效果總是____.Theeffectoftheinductivecurrentisalways___.本題答案：【總是反抗引起感應(yīng)電流的原因；alwaysresistthecauseofinducedcurrent;】16、【單選題】電動(dòng)勢(shì)實(shí)際上是一種能力，就是___Electromotiveforceisactuallyanabilityabout___本題答案：【把正電荷從負(fù)極搬運(yùn)到正極；transferofpositivechargesfromthenegativetothepositive;】17、【單選題】感應(yīng)電動(dòng)勢(shì)包括感生電動(dòng)勢(shì)和動(dòng)生電動(dòng)勢(shì)，下列說法哪個(gè)是正確的？InductionElectromotiveForceincludesInducedElectromotiveForceandMotionalElectromotiveForce,whichofthefollowingstatementsistrue?本題答案：【由于線圈（導(dǎo)體）動(dòng)產(chǎn)生的電動(dòng)勢(shì)是動(dòng)生電動(dòng)勢(shì)；Theelectromotiveforceproducedbythecoil(conductor)isMotionalElectromotiveForce.】18、【單選題】】19、【單選題】本題答案：【】20、【單選題】以下說法哪個(gè)是正確的？Whichofthefollowingstatementsistrue?本題答案：【渦旋電場來自于變化的磁場；thevortexelectricfieldisderivedfromachangingmagneticfield;】21、【單選題】自感系數(shù)L與___有關(guān)系？Whatdoesthecoefficientofselfinductionhavetodowith?本題答案：【線圈的體積、單位長度上的匝數(shù)、是否插入鐵芯；thevolumeofthecoil,thenumberofturnsperunitlength,andwhetherornotanironcoreisinserted;】22、【單選題】互感系數(shù)M與___有關(guān)系？IsmutualinductanceMrelatedtoit?本題答案：【各線圈的體積、單位長度上的匝數(shù)、是否插入鐵芯以及兩線圈的相對(duì)位置；thevolumeofeachcoil,thenumberofturnsperunitlength,whethertheironcoreisinserted,andtherelativepositionsofthetwocoils;】23、【單選題】本題答案：【】24、【單選題】】25、【單選題】本題答案：【】26、【單選題】】27、【單選題】本題答案：【】28、【單選題】本題答案：【】29、【單選題】本題答案：【】30、【單選題】】31、【單選題】本題答案：【】32、【單選題】本題答案：【】34、【單選題】本題答案：【從左向右；fromlefttoright;】35、【單選題】本題答案：【D點(diǎn)電勢(shì)高；highpotentialatpointD;】36、【單選題】本題答案：【】37、【單選題】本題答案：【】38、【單選題】】39、【單選題】本題答案：【】40、【單選題】】41、【單選題】】42、【單選題】一帶電粒子平行磁感應(yīng)線射入勻強(qiáng)磁場，則它作___運(yùn)動(dòng)；Ifaparallelmagneticinductionlineoftheelectricparticleisinjectedintotheuniformmagneticfield,itwillmove___.本題答案：【直線；straightlines;】43、【單選題】一帶電粒子垂直磁感應(yīng)線射入勻強(qiáng)磁場，則它作___運(yùn)動(dòng)；Withtheelectricparticleverticalmagneticinductionlineintotheuniformmagneticfield,itmakes___motion;本題答案：【勻速率圓周；uniformspeedofthecircumference;】44、【單選題】一帶電粒子與磁感應(yīng)線成任意角度射入勻強(qiáng)磁場，則它作___運(yùn)動(dòng)；IftheelectricparticleandthemagneticinductionlineareinjectedintotheuniformmagneticfieldatanyAngle,itwilldo___motion.本題答案：【（D）螺線；spiral;】45、【單選題】】46、【單選題】本題答案：【】47、【單選題】本題答案：【】49、【單選題】】50、【單選題】】靜電場部分平時(shí)測驗(yàn)(Theelectrostaticfieldtested)1、【單選題】如果要將一帶電體看作點(diǎn)電荷，則該帶電體的___Ifanelectricbodyistoberegardedasapointcharge,thenthechargedbodyis___本題答案：【線度遠(yuǎn)小于其它有關(guān)長度；thelinearityismuchlessthantheotherrelevantlength;】2、【單選題】本題答案：【】3、【單選題】庫侖力與萬有引力之間的關(guān)系是___TherelationshipbetweentheCoulombForceandtheUniversalGravitationForceis___本題答案：【都與距離平方成反比It'sinverselyproportionaltothesquareofthedistance】4、【單選題】電場強(qiáng)度是矢量，其單位是___Theintensityoftheelectricfieldisavector,andtheunitis___本題答案：【V/m】5、【單選題】電場強(qiáng)度的單位是___TheunitofElectricFieldIntensityare___本題答案：【牛頓/庫侖N/C】6、【單選題】本題答案：【】7、【單選題】關(guān)于高斯定理，下列哪一說法正確的？WhichofthefollowingstatementsistrueaboutGaussTheorem?本題答案：【高斯定理適用于一切靜電場，但是真正能求解的問題局限于對(duì)稱性好的問題GaussTheoremisapplicabletoallelectrostaticfields,buttheproblemsthatcanbesolvedarelimitedtoproblemswithgoodsymmetry】8、【單選題】電通量的單位是___TheunitofElectricFluxis___本題答案：【】9、【單選題】關(guān)于高斯定理，下列說法正確的是___OnGaussTheorem,thefollowingstatementiscorrect___本題答案：【適合于一切靜電場；SuitableforallElectrostaticFields;】10、【單選題】】11、【單選題】本題答案：【】12、【單選題】電場線處處平行的區(qū)域?yàn)槭裁词莿驈?qiáng)電場？WhyistheareawheretheElectricFieldLineisparalleleverywhereUniformElectricField?本題答案：【利用高斯定理可以證明同一電場線各點(diǎn)的電場強(qiáng)度相等；利用靜電場環(huán)路定理可以證明不同電場線上的場強(qiáng)相等，故電場線處處平行的區(qū)域一定是勻強(qiáng)電場；ItcanbeprovedthattheElectricFieldIntensityofeachpointofthesameElectricFieldLineisequalbyusingGaussTheorem,andtheElectricFieldIntensityofdifferentElectricFieldLinesisequalbyusingElectrostaticFieldLoopTheorem,sotheareawheretheElectricFieldLinesareparalleleverywheremustbeUniformElectricField;】13、【單選題】本題答案：【半徑為R的均勻帶電球面；uniformlychargedsphereofradiusR;】14、【單選題】本題答案：【】15、【單選題】電勢(shì)的單位是____TheunitofElectri