Physics
Rotational Kinetic Energy
Energy of a rotating body.
Formula
Formula
KE = ½ I ω2
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| I | moment of inertia (kg·m²) | real number (ℝ) | kg·m² | input |
| ω | angular velocity (rad/s) | computed result | — | result |
Try it yourself
Interactive calculator
Worked examples
Example 1
GivenI (kg·m²) = 2, ω (rad/s) = 5
Result25
Example 2
GivenI (kg·m²) = 0.5, ω (rad/s) = 10
Result25