Least force required to draw a body up the inclined plane is W sin (pl – McqOptions

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1.	Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction__________________?
A.	along the plane
B.	horizontally
C.	vertically
D.	at an angle equal to the angle of friction to the inclined plane
E.	unpredictable
Answer» E. unpredictable

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