force ap physics multiple choice name in the situation below, what ：力物理多选择的名字在下面的情况，什么

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1、ForceAPPhysicsMultipleChoiceName____________________1.Inthesituationbelow,whatisthetensioninstring1?a.69.3Nb.98Nc.138.6Nd.147.6Ne.1.55N45˚125kg2.Twomasses,Mandm,arehungoveramassless,frictionlesspulleyasshownbelow.IfM>m,whatisthedownwardaccelerationofmassM?a.gb.M-mgM+mc.Mmgd.MmgM

2、+me.Mmg3.A0.25kgmassisattachedtoastringandswunginaverticalcirclewhoseradiusis0.75m.Atthebottomofthecircle,themassisobservedtohaveaspeedof10m/s.Whatisthemagnitudeofthetensioninthestringatthatpoint?a.2.45Nb.5.78Nc.22.6Nd.35.7Ne.44.7N1.Acaranddriverhaveacombinedmassof1000kg.Thecarp

3、assesoverthetopofahillthathasaradiusofcurvatureequalto10m.Thespeedofthecaratthatinstantis5m/s.Whatistheforceofthehillonthecarasitpassesoverthetop?a.7300Nupb.7300Ndownc.12,300Nupd.12,300Ndowne.0N2.Ahockeypuckwithamassof0.3kgisslidingalongicethatcanbeconsideredfrictionless.Thepuck

4、’svelocityis20m/s.Thepucknowcrossesoverontoafloorthathasacoefficientofkineticfrictionequalto0.35.Howfarwillthepucktravelacrossthefloorbeforeitstops?a.3mb.87mc.48md.92me.58m3.Aspringwithastiffnessconstantk=50N/mhasanaturallengthof0.45m.Itisattachedtothetopofaninclinethatmakesa30˚

5、anglewiththehorizontal.Theinclineis2.4mlong.Amassof2kgisattachedtothespring,causingittobestretcheddowntheincline.Howfardowntheinclinedoestheendofthespringrest?a.0.196mb.0.45mc.0.646md.0.835me.1.2m4.A20Nforceispushingtwoblockshorizontallyalongafrictionlessfloor.Whatistheforcethat

6、the8kgmassexertsonthe2kgmass?a.4Nb.8Nc.16Nd.20Ne.24NF=20N1.Aforceof20Nactshorizontallyonamassof10kgbeingpushedupafrictionlessinclinethatmakesa30˚anglewiththehorizontal.Themagnitudeoftheaccelerationofthemassuptheinclineisequaltoa.1.9m/s2b.2.2m/s2c.3.17m/s2d.3.87m/s2e.4.3m/s2Label

7、thediagram2.Accordingtothediagram,whatisthetensionintheconnectingstringifthetableisfrictionless?a.6.4Nb.13Nc.19.7Nd.25Ne.32N4kgF=20N2kg3.Amass,M,isreleasedfromrestonaninclinethatmakesa42˚anglewiththehorizontal.In3s,themassisobservedtohavegoneadistanceof3m.Whatisthecoefficientofk

8、ineticfrictionbetweenthemassandthesurfaceofthei