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 being pushed at constant speed on alk6 ijucqn6 v2* cj0*fn inclined p. /a1,mbw 5h lr8kqbezjkj00 blane. The free body diagram of the object is shown with the gravitational force represented by W, the f0h5.,wr lj 18 ak/b0 bkqmzjberiction force by f, the applied external push parallel to the incline by F, and the normal force with the surface by n. Which one of 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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