Physics & Engineering
Friction Force Calculator
Calculate the friction force acting on an object given the normal force and coefficient of friction.
Your inputs
Change any value to update the result instantly.
Friction force
40 N
Coefficient used
0.4
Normal force
100 N
Force as % of normal
40 %
Formula and working
Ff = μ × N
- 1
Collect the inputs
Coefficient of friction (μ) = 0.4; Normal force (N) = 100 N
- 2
Apply the formula
Ff = μ × N
- 3
Result
Friction force = 40 N
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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