试题与答案

关于弹力,下列说法中错误的是() A.物体受到的弹力是由于施力物体的形变而产生的 B

题型:单项选择题

题目:

关于弹力,下列说法中错误的是()

A.物体受到的弹力是由于施力物体的形变而产生的

B.弹力产生在直接接触而发生弹性形变的物体之间

C.相互挤压的物体间弹力方向总是跟接触面相垂直

D.相互接触的物体间一定存在弹力

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D

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