Q
Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction__________________?
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A
A. Along the plane
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B
B. Horizontally
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C
C. Vertically
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D
D. At an angle equal to the angle of friction to the inclined plane
Correct Answer:
D. D. At an angle equal to the angle of friction to the inclined plane
