Lecturethree一、TranslatethefollowingacademicwordsintoChinese。spingstateoscillationsimpleharmonicmotionequilibriumPositionphaseinitialPhaserestoringforcepotentialenergykineticenergyamplitudePeriodfrequencyangularfrequencyvibratingCurveindependentvariabletimeaxiszigzagpatternslopetrigonometricfunctionderivativeequationdifferentialequationphaseDifferencesuperposition二、Writethefollowingquantitiesofmeaninginchineseandtorepresentthephysicalsymbol,formula.EquationofMotionofaSHMtheForceCharacteristicOscillatingCurve三、TranslatethefollowingsentencesintoChinese。1、Oscillationisaperiodicalmotioninwhichtheobjectmovesbackandforthonbothsidesoftheequilibriumposition.2、Theresultantexternalforceactingonanoscillatorisarestoringforce,whichmeansthattheforceisproportionaltothedisplacementoftheoscillatorbutoppositeindirection.四、Providecompleteandwell-organizedsolutionswithsentence-formclosingstatementsforproblems.1、Ablockontheendofaspingispulledtopositionx=Aandreleasedfromrest.Inonefullcycleofitsmotion,throughwhattotaldistancedoesittravel?
