Question

very short
1) what is friction?​

Answer 1

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

Answer:

The force that opposes the motion of an object is called friction.

It can change the speed, shape, and direction of an object.

Frictional force is a contact force

Explanation: