Frictional Forces

Definition

Frictional forces are resistive forces that oppose motion when two surfaces are in contact with each other. They can be either static or kinetic, depending on whether there is relative motion between the surfaces.

Related terms

Gravitational constant (G):

The gravitational constant (G) represents the strength of the gravitational force between two objects.

Normal Forces:

Normal forces are contact forces exerted by a surface to support an object resting on it.

Air Resistance: Air resistance is a type of frictional force that opposes the motion of an object through air or any fluid medium.