1.

If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, then___________________?_x005F_x000D_1) a force is required to move the body upwards_x005F_x000D_2) a force is required to move the body downward_x005F_x000D_3) the body will not be in equilibrium_x005F_x000D_The correct answer is?

A. only (1)
B. only (2)
C. both (1) and (2)
D. both (1) and (3)
Answer» D. both (1) and (3)


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