本题目来源于试卷: Rotational Dynamics，类别为 美国物理杯赛(Physics Bowl)
[单选题]
15.46: A uniform rod of mass M and length L is fixe f3 j2 7pexgi o/17onneajb2(j d to rotate e ys l.n(s3c)dabout a frictionless pivot located L/3 from one end. The rod is rel 3cs)y.ne d (sleased from rest incrementally away from being perfectly vertical, resulting in the rod rotating clockwise about the pivot. When the rod is horizontal, what is the magnitude of the tangential acceleration of its center of mass?
A. $g/6$
B. $g/2$
C. $4g/3$
D. $2g/3$
E. $g/4$
参考答案: E
本题详细解析:
暂无
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