Forces on Inclined Plane - Constant Speed Motion · PhysicsBowl 2015 #13

Physics · mechanics

Problem

An object is being pushed at constant speed on an 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 of the following choices represents correct relationships between the forces? (A)

n > W

and

F < f

(B)

n < W

and

F = f

(C)

n < W

and

F < f

(D)

n = W

and

F > f

(E)

n = W

and

F = f

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