Friction Force (f = μN)
Solve for any variable in the dry friction equation. This tool helps you determine how much resistance occurs between two surfaces based on their materials and the pressure between them.
What is friction?
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.
What is the friction formula?
The basic formula for dry friction is f = μN, where f is the force of friction, μ (mu) is the coefficient of friction, and N is the normal force (the force pressing the surfaces together).
What is the difference between static and kinetic friction?
Static friction is the force that keeps an object at rest. Kinetic (or sliding) friction is the force that acts between moving surfaces. Static friction is almost always higher than kinetic friction for the same surfaces.
What is the coefficient of friction (μ)?
The coefficient of friction is a dimensionless scalar value that describes the ratio of the force of friction between two bodies and the force pressing them together. It depends on the materials of the surfaces.