A body of weight 100 N lies on a horizontal plane for which coefficient of friction (CoF) is 0.75. Find (a) normal reaction, (b) limiting force of friction, (c) horizontal force required to move.

A body of weight 100 N lies on a horizontal plane for which coefficient of friction (CoF) is 0.75. Find (a) normal reaction, (b) limiting force of friction, (c) horizontal force required to move.