Question

Friction ????????????? ​

Answer 1

Answer:

frictional force is a force which comes into play when a body moves or tends to move over the surface of another body..it is always against the direction of motion of a body ...

Answer 2

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact.