Coefficient of friction

Definition

The coefficient of friction is a value that represents how much two surfaces resist sliding past each other. It quantifies the amount of frictional force between two objects in contact.

Related terms

Static friction:

This is the frictional force between two surfaces when they are not moving relative to each other. It prevents objects from starting to slide against each other.

Kinetic friction: This is the frictional force between two surfaces when they are sliding past each other. It opposes the motion of the objects and acts to slow them down.

Rolling friction: This type of friction occurs when an object rolls over a surface, like a ball rolling on the ground. It is generally smaller than static or kinetic friction.