Question

what is friction? ......

Answer 1

Hi friend....

Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surfaces.....

hope it helps you...

Answer 2

1) When a force is applied to a body resting on a rough plane so that the body moves or tends to move, a frictional force acts on the body in opposition to the applied force. 

2) A force that opposes motion.