EngiRef / Mechanical Engineering Formula

Friction Force

Friction Force: Friction force between surfaces. A Statics formula in mechanical engineering. Variables Fᶠ, μ and N, each with SI and imperial units.

Statics

Specification

Name
Friction Force
Discipline
mechanical
Category
Statics
LaTeX
F_f = \mu N
Description
Friction force between surfaces
Conditions
μ is coefficient of friction (static or kinetic)
Can solve for
Fᶠ, μ, N
Tags
friction, force, coefficient, normal

Variables

Variables for Friction Force
SymbolNameUnitSi UnitImperial Unit
FᶠFriction ForceNNlbf
μCoefficient of Friction
NNormal ForceNNlbf