A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to________________?
A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to________________?
A. W
B. W sin (a + $)
C. Wtan(a + <|))
D. Wan(a-)
E. Wtana