Enter the normal force and friction force into the coefficient of friction calculator below. Evaluate the coefficient of friction between two surfaces.

## Coefficient of Friction Formula

The following formula is used in the coefficient of friction calculator above:

u = F / N

- Where u is the coefficient of friction
- F is the force due to friction
- N is the normal force

This can be used in both static and kinetic friction cases. In a static friction case, the force applied, P, will never exceed the frictional force F. Otherwise the object would be in motion and this would be a kinetic friction case.

## Coefficient of Friction Definition

A coefficient of friction is defined as the unitless factor between two surfaces that resist movement when under a normal force.

## How to calculate a coefficient of friction?

How to calculate coefficient of friction

**First, determine the net horizontal force acting on an object.**Calculate the net force acting on a stationary or moving object.

**Next, determine the normal force acting on an object.**When analyzing a single object with no extra vertical forces, the normal force should be equal to the weight.

**Calculate the coefficient of friction**Calculate the coefficient of friction using the normal force and net horizontal force.

## FAQ

**What is a coefficient of friction?**

A coefficient of friction is a term in physics use to describe the resistant force acting on an object due to it’s normal force and the two surfaces that are in contact.

**What is the difference between static and dynamic friction?**

Static friction is the force between stationary objects and dynamic friction is the force between moving objects.

## Related Terms

coefficient of friction calculator |

how to calculate coefficient of friction |

coefficient of friction formula |

coefficient of friction |

coefficient of static friction |

coefficient of kinetic friction |

how to find coefficient of friction |

coefficient of friction equation |

coefficient of kinetic friction formula |

coefficient of static friction formula |

coefficient of friction definition |

coefficient of kinetic friction equation |

how to calculate friction force without coefficient |

how to find static friction |

how to find the coefficient of static friction |

coefficient of static friction definition |

how to calculate kinetic friction |

the coefficient of static friction is |

coefficient of static friction equation |

how to find the coefficient of kinetic friction on an incline |

coefficient of rolling friction table pdf |

the coefficient of kinetic friction |

rolling friction coefficient |

coefficient of kinetic friction definition |

how to find coefficient of friction on an inclined plane |

the coefficient of static friction |

mu friction |

coefficient of friction meaning |

coefficient of static and kinetic friction |

coeff of friction |

coefficient of friction mu |

how to calculate the coefficient of static friction |

coefficient of friction definition physics |

how to find the friction coefficient |

how to find the coefficient of kinetic friction given acceleration and angle |

coefficient of kinetic friction between tire and road |

how to determine the coefficient of friction |

sliding friction coefficient |

static and kinetic friction equations |

how to find coefficient of static friction on an inclined plane |

coefficient of friction physics |

how do you calculate the coefficient of friction |

kinetic coefficient |

how to find force of friction on an incline without coefficient |

how to find the coefficient of friction on a flat surface |

coefficient of friction is |

static coefficient |

kinetic coefficient of friction formula |

how to find acceleration with coefficient of friction |

rolling friction coefficient table |

dynamic coefficient of friction table |

how do you find the coefficient of kinetic friction |

frictional constant |

coefficient of static friction and kinetic friction |

coefficient of force |

surface friction coefficient |

coefficient of friction is the ratio of |

how to calculate friction force with coefficient |

how to find force of static friction |

friction and coefficient of friction |

coefficient of friction force |

how to find the angle of an inclined plane with friction |

constant of friction |

coefficient of friction of sandpaper |

coefficient of kinetic energy |

how to find static friction force |

how to calculate kinetic friction coefficient |

cof coefficient friction |

coefficient of static and dynamic friction |

how to find the coefficient of friction on an incline |

friction constant formula |

how to find coefficient of kinetic friction on an inclined plane |

how do you find the coefficient of static friction |

coefficient of friction physics definition |

standard coefficient of friction |

higher coefficient of friction |

coefficient of static friction depends on |

coefficient of friction kinetic |

torque friction coefficient table |

effective coefficient of friction |

friction coefficient table pdf |

how to determine coefficient of static friction |

friction coefficient meaning |

cof measurement |

the coefficients of static and kinetic friction between a |

coeffiction of friction |

how to find the kinetic friction |

static and dynamic friction coefficient |

the coefficient of friction is a number that represents the resistance |

static and kinetic friction on an inclined plane |

coefficient of kinetic friction definition physics |

types of coefficient of friction |

how to find the coefficient of static friction on an incline |

static cof |

how to calculate force of static friction |

max coefficient of friction |

coefficient of friction machine |

static and kinetic friction coefficients |

coefficient of friction between two surfaces |

how to calculate static and kinetic friction |

how to determine static friction |

using coefficient of friction |

kinetic friction constant |

how to determine coefficient of kinetic friction |

coefficient of friction tester price |

how to find coefficient of sliding friction |

how to calculate dynamic friction |

kinetic friction formulas |

how to find the static friction |

coefficient of friction explained |

coefficient of friction is the |

coefficient of friction for smooth surface |

coefficient of kinetic and static friction |

coefficient of friction formula physics |

coefficient of friction values table |

how to calculate static friction on an incline |

how do you calculate static friction |

how to find friction without coefficient |

static friction and kinetic friction equations |

static friction formulas |

coefficient of static friction and coefficient of kinetic friction |

normal coefficient of friction |

coefficient of static friction is greater than coefficient of kinetic friction |

how to calculate kinetic frictional force |

physics kinetic friction |

how to calculate coefficient of friction on an incline |

coefficient of friction constant |

how to calculate coefficient of kinetic friction on an incline |

coefficient of friction values for different materials |

coefficient of kinetic friction and static friction |

how to find friction coefficient on an incline |

how to find frictional force without coefficient of friction |

how to calculate coefficient of static friction on an incline |

coefficient of friction over 1 |

frictional resistance coefficient |

how to find coefficient of friction between two surfaces |

coefficient of friction theory |

how to find work done by friction without coefficient |

static friction normal force |

kinetic coefficient of friction equation |

how to find the coefficient of friction in a pulley system |

coefficient of friction simple definition |

how do you calculate the coefficient of static friction |

coefficient of friction how to find |