Question

does friction opposes the motion or makes the body to move smoothly explain through two examples​

Answer 1

Answer:

Friction is a force that opposes motion. When two objects are in contact, friction is acts in a direction opposite to the motion of the object.

Hope this answer is helpful for you.

Answer 2

Answer:

Friction always opposes relative motion.It doesnt help body to move smoothly.

Eg:1.A washing machine pushed along a floor.

2.A sled sliding across snow or ice.