Physics Unit8: Rotational Motion (id: eb4327264)

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本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 Generic Physics

[单选题]
Two forces are appliem mqlkep8 wry6v6: n/b i:h vjajd3--*d to a doorknob, perpendicular to the doorwbh9;5w yp nfdlb*v1/. The first force is twice as large as the second force. The ratio of the torque of the first to the torque of tp 9hd1wy*w; nfb lbv/5he second is

A. 1/4.
B. 1/2.
C. 2.
D. 4.


参考答案:  C


本题详细解析: 暂无