Question

What is different between force and friction

Answer 1

Force is any interaction that tries to change the state of any body . while friction is a type of force opposite of any positive force . 

Answer 2

Friction is the resistive force between two bodies in contact with each other when there is a relation between two. It is usually in a direction opposite of the motion... Shear force is that kind of force which will cause a change in the shape of the body.