Question

what is friction no spamming and write it no coping from net

Answer 1

$\textbf{Friction}$

The force acting along the two surfaces in contact when opposes the motion of one body over the other other, is called the force of friction.

The force of friction is commonly called the friction.

Friction always opposes the relative motion between the two bodies in contact irrespective of the direction of motion.

Answer 2

a force that oppose any relative motion between the two surface of 2 objects in contact