Question

Define the following terms:
(i) Force of Friction
(ii) Centripetal Force

Answer 1

Centripetal force =coefficient of friction ×mass ×g for horizontal surface

Answer 2

Explanation:

Force of friction: The force produced during rubbing of objects is called frictional force

It is a type of contact force

Centripetal Force : The force that acts in a body moving in a circular path is called centripetal force.

Example - The force acts by the sun on the earth which makes earth to follow it's orbit