Question

List all the forces acting on the block B in figure.

Answer 1

Forces acting on block B :

• A pair of electromagnetic forces between the blocks A and B.
• A pair of electromagnetic forces between the blocks B and the Earth.
• A pair of gravitational forces between the blocks B and the Earth.
• A pair of gravitational forces between the blocks A and B.
• A pair of action-reaction forces between the man and block A.
• Weight of the man, block A and block B as action forces on the ground in the downward direction.
• Reaction of the ground on the man, block A and block B in the upward direction to balance their weights.