engineering recuitment BEL Probationary Engineers Mock Test 2025 Engineering Mechanics Equilibrium and Friction Friction
A block of wood of weight 800 N is placed on a smooth inclined plane which makes an angle of 30° with the horizontal. Find the work done in pulling the block up for a length of 6 m.
1
1457 J
2
2400 J
3
1757 J
4
4800 J