Physics
Friction Calculator
Calculate friction force between surfaces
Friction Force40.0000 NView results
N
kg
°
Real-time Results
Friction Force
40.0000N
The calculated friction force
Normal Force
100.0000N
The calculated normal force
Supported inputs
| Input | Description |
|---|---|
| Friction Type | Choose between static and kinetic friction Static Friction · Kinetic Friction |
| Normal Force (N) | The force perpendicular to the surface |
| Coefficient of Friction | The coefficient of friction between surfaces |
| Mass (kg) | The mass of the object |
| Surface Angle (°) (°) | Incline angle (0° = flat surface) |
Formula
f = μ × N For object on incline: N = m × g × cos(θ) Friction (along slope) = μ × m × g × cos(θ) μ_static > μ_kinetic (it takes more force to start motion than to maintain it)
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