Question

A 45 kg person sits on a 10 kg chair. The person exerts a 441 N force downward on the chair. According to Newton's Third Law, the chair exerts an equal and opposite force upward on the person too. What is the size of the force that the chair exerts on the person?

Answer 1

According to Newton's Third Law, the force exerted by the person on the chair is equal in magnitude but opposite in direction to the force exerted by the chair on the person.

Explanation: The person exerts a downward force of 441 N on the chair. According to Newton's Third Law, the chair exerts an equal and opposite force (441 N) upward on the person.