Question

in your language what is frictional force

Answer 1

frictional force works between two surfaces which resist the motion in opposite direction.
like tyre of a vehicle when we apply break it generates a frictional force between road and tyre and finally stop the vehicle.

here is your answer ☺️

Answer 2

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other



here is ur answer mate (^_^)