Typical Forces (id: 7668f3ca4)

本题目来源于试卷: Typical Forces，类别为 美国物理杯赛(Physics Bowl)

[单选题]
15.13: An object is d:ac95es1h8 9 cjxy iv54ny yga5w 6,hif pa8ibeing pushed at constant speed on an w: jhs3e8npm3 inclined plane. The free body diagram of the object is shown with the gravitational force represented by W, the friction force by f, the applied external push parallel to the incline by F, and the normal force with the surface by n. Which one ofjwn hp3 sme3:8 the following choices represents correct relationships between

A. $ n > W, F < f $
B. $n < W, F = f $
C. $n < W, F < f $
D. $n = W, F > f$
E. $n = W, F = f$


参考答案:  C


本题详细解析: 暂无

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