关于物体处于平衡状态的条件,下列说法中正确的是 (A)物体的速

关于物体处于平衡状态的条件,下列说法中正确的是

A)物体的速度为零      B)物体的速度大小不变

C)物体的速度方向不变  D)物体所受合力为零

答案

D

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