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速度与机械运动

> 关于力的观点，正确的是 A.相互接触的物体之间一定有力的作用 B.一切形变的物体都能产生弹力 C.地球吸引树枝上的苹果，苹果也吸引地球 D.只有一个物体时也可以产生力的作用

问题：

发布时间：2024-09-13

关于力的观点，正确的是

A.相互接触的物体之间一定有力的作用
B.一切形变的物体都能产生弹力
C.地球吸引树枝上的苹果，苹果也吸引地球
D.只有一个物体时也可以产生力的作用

参考答案：

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