Physics
Elastic Potential Energy
Energy stored in a spring.
Formula
Formula
PE = ½ k x2
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| k | spring constant (N/m) | real number (ℝ) | N/m | input |
| x | displacement (m) | real number (ℝ) | m | input |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givenk (N/m) = 200, x (m) = 0.1
Result1
Example 2
Givenk (N/m) = 50, x (m) = 0.3
Result2.25