试题与答案

如图所示,一个物体静止在水平地面上,则这个物体受到的力有( ) A.重力、地面对

题型:问答题

题目:

如图所示,一个物体静止在水平地面上,则这个物体受到的力有(  )

A.重力、地面对物体的支持力

B.重力、物体吸引地球的力

C.重力、物体对地面的压力

D.重力、物体对地面的压力和地面对物体的支持力

答案:

物体受地球的吸引,而产生了重力;由于物体和地面间相互挤压而产生弹力,即地面对物体产生了支持力;

故A正确;BCD错误;

故选A.

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题型:完形填空
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You    12    sunlight to England! So we don't want you to go away."
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( )5. A.scared  
( )6. A.like   
( )7. A.trained 
( )8. A.go over 
( )9. A.to     
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