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时间:2018-07-28
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1、Title:_____________________Name:___________________Unit:_____________________Class:___________________Date:___________________Vocabulary:Newton’sLawsofMotionNotes:Newton’s1stLawofInertiaInertiaFrictionNewton’s2ndLawofForce;mass;andaccelerationNewton’s3rdL
2、awofActionandReactionPRACTICE:·Anobjectat_____willstayatrest,andanobjectinmotionwill_________________atconstant________,unlessacteduponbyan______________force.·isthetendencyofanobjectto________________________________________:whetherinmotionormotionless.T
3、herearefourmaintypesoffriction:Slidingfriction:iceskatingRollingfriction:bowlingFluidfriction(airorliquid):airorwaterresistanceStaticfriction:initialfrictionwhenmovinganobject·F=mxa(drawtriangle)·Thenetforceofanobjectis_______totheproductofits_____and____
4、_______,orF=ma.·Forevery_______,thereisan_____and________reaction·Draw2examplesbelowforNewton’s3rdLaw:·Whatistheaccelerationofanobjectthatis20kgandisbeingpushedwithaforceof20N?_______________.(showwork)·Whatistheforceusedonanobjectthathasthemassof150kgand
5、isacceleratingat0.2m/s2?_____________.(showwork)Title:_____________________Name:___________________Unit:_____________________Class:___________________Date:___________________UnbalancedForcesBalancedForcesAnswer3questionsfromPreziNewton’sFirstLaw:Lawof____
6、______Newton’s2ndLaw·Ifthenetforceis_______________,theforcesare____________.·Anunbalancedforcewillcauseanobjecttospeedup,slowdownorchangedirection·Whenthenetforceonanobjectis__________,theforcesaresaidtobe_______________.·Balancedforcesproduce______chang
7、einthemotionofanobject.1.2.3.LawofInertia:Anobjectat_________remainsat___________untilacteduponbyan__________________________Anobjectin____________remainsin____________,unlessacteduponbyan_______________forceF___________=Massx______________Summary/Reflect
8、ionKeyTerms:ForceandMotionNotes:Title:_____________________Name:___________________Unit:_____________________Class:___________________Date:___________________SpeedVelocityAccelerationNewton’s3rdLawExamples:Averagesp
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