Question

what do you mean by friction​

Answer 1

Answer:

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.

Answer 2

$\huge\bold{Answer:}$

The force which always opposes the motion of an object over another object in contact within is called friction.