force of friction

[ fawrs uhv frik-shuhn ]

noun

, Physics.

1. the force that works in the direction opposite to that of an object’s motion when the surface of the object comes into contact with the surface of another object:

   You can more easily slide across a polished floor than across a carpet because the force of friction working against you is much greater on the carpet.

Word History and Origins

Origin of force of friction¹

First recorded in 1665–75