Science & engineering
Hooke’s law calculator
Find the restoring force for an ideal linear spring.
A clear answer. Here’s how.
Restoring force F = −kx, with the minus sign opposing displacement from equilibrium. Applies only in the spring’s linear elastic range and ignores damping, preloads and geometric effects.
See a worked example
Worked example
A fixed demonstration, separate from the values you enter above.
- Spring constant (N/m)
- 200
- Signed extension from equilibrium (m)
- 0.05
Example result
- Restoring force (N)
- -10