हिन्दी में पढ़ेंHome › Formulas › Work, energy & power › Hooke's law
Hooke's law
F = −kx
Where: F = force (N), k = spring constant (N/m) / Coulomb constant, x = displacement (m)
Solved example
Given: k = 7, x = 5
Find: F (force (N))
- Formula: F = -k·x
- Substitute the values: F = -5·7
- Result: F = -35 N
Answer: F = -35 N
Calculator
How to calculate Hooke's law
- Write down the formula: F = −kx.
- Note the known values (k, x).
- Substitute them and simplify to find F.
- Use the calculator above to solve for any letter.
Frequently asked questions
What is the formula for Hooke's law?
The formula is F = −kx, where F = force (N), k = spring constant (N/m) / Coulomb constant, x = displacement (m).
What is Hooke's law when k = 7, x = 5?
F = -35 N. Substitute the values into F = −kx and simplify.