本题目来源于试卷: Rotational Dynamics，类别为 美国物理杯赛(Physics Bowl)
[单选题]
97.39: A cylinder fr e rprcj5m6i+ 9cqqqm7we7+ 6k 2msjx+ z8;uijavb s(d-1p;8darct2eee to turnaround a fixed axis has a string wrapped around it as shown t ea2a;ms d+t zj;(jv csi u2-bdpxr818o the right. The string is pulled with a force F equal to the cylinders weight. What is the acceleration of the string?
A. $2g$
B. $g$
C. $g/2$
D. $g/4$
E. $F/g$
参考答案: A
本题详细解析:
暂无
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