1.

A body of mass 10 kg is lying on a rough plane inclined at an angle of 30o to the horizontal and the coefficient of friction is 0.5.  the minimum force required to pull the body up the plane is                            [JIPMER 2000]

A.             914 N
B.             91.4 N
C.             9.14 N
D.             0.914 N
Answer» C.             9.14 N


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