本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 通用国际物理
[单选题]
Two forces are applied toi )6 ry,j0xx- ei3vk5ky2oih p a doorknob, perpendicular to the door. The first pa 4ykfg z4:srh5-gth*g +m9:k ru)cfforce is twice as large as the second force. The ratio of t:*k -au4 k gh fc+tr5p :s)yfmz4hg9grhe 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
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