Question

what is friction and force​

Answer 1

Answer:

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. ... Dry frictionis subdivided into static friction ("stiction") between non-moving surfaces, and kinetic frictionbetween moving surfaces.

Answer 2

Explanation:

to stop a moving object a force must in the directions opposite to that of the motion friction is a force that opposes the motion of an object