A block weighing 5 kg is pressed against a verticalk wall by a normal force of 150 N the coefficient of friction along being 0.5 . Find the force required to cause the block to move (a) horizontally, (b) vertically upward, (c) vertically downwards.

A block weighing 5 kg is pressed against a verticalk wall by a normal

1.	A block weighing 5 kg is pressed against a verticalk wall by a normal force of 150 N the coefficient of friction along being 0.5 . Find the force required to cause the block to move (a) horizontally, (b) vertically upward, (c) vertically downwards.
Answer» ANSWER :(a) 75 N (b) 224 N (c) 26 N