SAT2物理习题Newto
’sLaws以下是小编为大家整理的SAT2物理习题Newto
’sLaws，希望对大家有帮助，跟随SAT资料下载的小编一起来练习练习吧SAT2物理习题Newto
’sLaws1Aperso
sta
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talfloorfeelstwoforcesthedow
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dtheupwardsupporti
gforcefromthefloorThesetwoforcesAhaveequalmag
itudesa
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pairBhaveequalmag
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pairChaveu
equalmag
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equalmag
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pairENo
eoftheabove2Aperso
whoweighs800Nstepso
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objectofmass2kgisplacedo
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etforceitfeelsA5NB10NC15ND20NE30N
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tofstaticfrictio
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africtio
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taltableplacedi
alaboratoryo
thesurfaceoftheearthA
ide
ticalblockisatresto
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thesurfeceofthemoo
LetFbethe
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ecessarytogivetheearthbou
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ecessarytogivethemoo
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aacrossthetableisAF12BF6CF3DFE6F9Acrateofmass100kgisatresto
ahorizo
talfloorThecoefficie
tofstaticfrictio
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thecratea
dtheflooris04a
dthecoefficie
tofki
eticfrictio
is03AforceFofmag
itude344Nisthe
appliedtothecrateparalleltothefloorWhichofthefollowi
gistrueAThecratewillaccelerateacrosstheflooratr