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一刚体作瞬时平动，此瞬时该刚体上各点（）。

A、速度和加速度均相同

B、速度相同而加速度不相同

C、速度和加速度都不相同

D、速度不同而加速度可能相同

时间：2021-07-17 20:17 关键词：大连工业大学机械设计与制造高起专理论力学 21级2学期期末考试

答案解析

B

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