首页/ 题库 / [单选题]某一瞬时,作平面运动的平面图形内任意两点的答案

某一瞬时,作平面运动的平面图形内任意两点的加速度在此两点连线上投影相等,则可以断定该瞬时平面图形( )。

单选题
2022-04-02 02:00
A、角速度<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1502435385895af217ea6b93c41029006eb7cf8d35ae6image39.png">;
B、角加速度<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15024353859768ab71f039633436ba69246d790493ab3image40.png">;
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1502435386069d9d9c4b295964a91885b6926dda72999image41.png">、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/150243538616438db5c82bbd14dc38b4f711d12123811image42.png">同时为零;
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1502435386256068269f7b9b9431dbe594bb562c556c2image43.png">、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15024353863481f501b1d20744b6f9c52fe200d492dccimage44.png">均不为零。
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正确答案
A
试题解析
标签： 大连工业大学 机械设计与制造 高起专 理论力学 作业1
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