Question

what is a frictional force

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

hey friend,

the force that acts on the  opposite direction of the motion is called the frictional force .

hope it helps u

have a nice day