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Friction Calculator
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Friction is the force that slows objects down when they rub together. Rough things like grass, create more friction than smooth things like snow. Mainly there are four types of friction such as static, kinetic, sliding and rolling friction. When two bodies are in contact with each other a resistive force comes into play that slows down the motion . This is called friction. Friction Calculator is used to find the friction between any 2 surfaces.

## Step by Step Calculation

Step 1 :

Friction Formula:

Friction: F = $\mu$ * N

Friction Coefficient: $\mu$ = $\frac{F}{N}$

Normal Force: N = $\frac{F}{\mu}$

Where,

F = frictional force

$\mu$ = friction coefficient,

N = Normal Force.

Step 2 :

Put the values in the formula and calculate it further.

## Example Problems

1. ### Calculate the frictional force between two metal surfaces if its friction coefficient is 0.5 and it is having the mass of 15 kg?

Step 1 :

Given: m = 15

$\mu$ = 0.5

The Normal force is given by

Normal force = mg

= 15 $\times$ 9.8

= 147 N

Friction Formula:

Friction: F = $\mu$ * N

Step 2 :

Put the values in the formula and calculate it further.

F = $\mu$ * N

= 0.5 $\times$ 147

= 73.5 N

Frictional Force = 73.5 N

2. ### A person is pulling a box filled with loads is having mass of 120 kg and frictional force is 1000 N. Calculate frictional coefficient between box and floor.

Step 1 :

Given: m = 120 kg

N = mg

= 120 * 9.8

= 1176 N

Formula:

$\mu$ = $\frac{F}{N}$

Step 2 :

Put the values in the formula and calculate it further.

$\mu$ = $\frac{1000}{1176}$

Friction Coefficient = 0.8503 N