本题目来源于试卷: Rotational Dynamics,类别为 美国物理杯赛(Physics Bowl)
[单选题]
14.43: A long rod of length L is pivoted about its left end. It 66zfm+c0 kh6 n8art li is rele bjd:cb31fcnjb,*dl - b:1lcl ased from an ang d3l:c,1 jbcbbcj 1 ln*f-bdl:le θabove the horizontal. What is the magnitude of the angular acceleration of the rod about the pivot when the rod is released?
A. $\frac{6g}{L}Cosθ$
B. $\frac{6g}{L}sinθ$
C. $\frac{3g}{2L}sinθ$
D. $\frac{3g}{2L}Cosθ$
E. $\frac{3g}{L}sinθ$
参考答案: D
本题详细解析:
暂无
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