Force of Friction Equation (Ff=μFn)

Definition

The force of friction equation states that the force of friction (Ff) acting on an object is equal to the coefficient of friction (μ) multiplied by the normal force (Fn).

Related terms

Coefficient of Friction:

A value that represents how rough or smooth two surfaces are in contact with each other.

Static Friction:

The frictional force that prevents an object from moving when there is no external applied force.

Kinetic Friction:

The frictional force that opposes motion between two surfaces in contact when they are already moving relative to each other.