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Kinetic friction
f = μₖN
Where: N = number of turns / normal force (N), f = frequency (Hz) / focal length (m), μₖ = μₖ
Solved example
Given: N = 7, mu_k = 5
Find: f (frequency (Hz) / focal length (m))
- Formula: f = N·μₖ
- Substitute the values: f = 5·7
- Result: f = 35 N
Answer: f = 35 N
Calculator
How to calculate Kinetic friction
- Write down the formula: f = μₖN.
- Note the known values (N, μₖ).
- Substitute them and simplify to find f.
- Use the calculator above to solve for any letter.
Frequently asked questions
What is the formula for Kinetic friction?
The formula is f = μₖN, where N = number of turns / normal force (N), f = frequency (Hz) / focal length (m), μₖ = μₖ.
What is Kinetic friction when N = 7, mu_k = 5?
f = 35 N. Substitute the values into f = μₖN and simplify.