APFIVE Instantaneous Power and Force Angle
Two forces of equal magnitude, Force A and Force B, act on two identical objects moving at the same speed. Force A is directed at 0° with respect to an object’s velocity, and Force B is directed at 60° with respect to the other object’s velocity. If the instantaneous power delivered by Force A is 100 W, what is the instantaneous power delivered by Force B?
A
86.6 W
B
50 W
C
100 W
D
0 W
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