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
| Symbol | Name | Unit | Si Unit | Imperial Unit |
|---|---|---|---|---|
| Fᶠ | Friction Force | N | N | lbf |
| μ | Coefficient of Friction | - | - | - |
| N | Normal Force | N | N | lbf |
Common questions
- What is the Friction Force formula?
- Friction force between surfaces. It sits under Statics, Mechanical engineering in the EngiRef reference.
- What do the symbols in the Friction Force formula mean?
- In Friction Force, Fᶠ is friction force in N; μ is coefficient of friction; N is normal force in N.
- When does the Friction Force formula apply?
- Friction Force holds under this condition: μ is coefficient of friction (static or kinetic).