Hooke's Law (F = kx)
F = -k·x
What it means
Hooke's law gives the restoring force of a spring, proportional to how far it is stretched or compressed.
Variables
| Symbol | Quantity | SI unit |
|---|---|---|
F | force | N |
k | spring constant | N/m |
x | displacement | m |
Worked example
Given k = 200 N/m, x = 0.05 m, solve for F:
F = 10 N