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 applied to a doorknob, perpendicular to the door. The (e): 1j x)8vsal pbxycfirst fofy r+. srr8e q*xwz;e2rce is twice as large asxe;eyr+ fs8*2 rw.rzq the second force. The ratio of the torque of the first to the torque of the 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