Question

A boy pushes a wall with a force of $10N$ towards east. What force is exerted by the wall on the boy?

• A. $10$ $N$ towards east.
• B. $10$ $N$ towards west.
• C. $10$ $N$ towards north.
• D. $10$ $N$ towards south.

Answer 1

The correct option is B $10$ $N$ towards west.

According to third law of motion, wall applies equal amount of force in the opposite direction. Therefore, wall exerts a force of 10 N towards west.