EngiRef / Mechanical Engineering Formula
Rotational Kinetic Energy
Rotational Kinetic Energy: Kinetic energy of rotating body. A Dynamics formula in mechanical engineering. Variables KE, I and ω, each with SI and imperial…
Dynamics
Specification
- Name
- Rotational Kinetic Energy
- Discipline
- mechanical
- Category
- Dynamics
- LaTeX
- KE = \frac{1}{2}I\omega^2
- Description
- Kinetic energy of rotating body
- Can solve for
- KE, I, ω
- Tags
- kinetic, energy, rotation, angular
Variables
| Symbol | Name | Unit | Si Unit | Imperial Unit |
|---|---|---|---|---|
| KE | Kinetic Energy | J | J | ft·lbf |
| I | Moment of Inertia | kg·m² | kg·m² | slug·ft² |
| ω | Angular Velocity | rad/s | rad/s | - |
Common questions
- What is the Rotational Kinetic Energy formula?
- Kinetic energy of rotating body. It sits under Dynamics, Mechanical engineering in the EngiRef reference.
- What do the symbols in the Rotational Kinetic Energy formula mean?
- In Rotational Kinetic Energy, KE is kinetic energy in J; I is moment of inertia in kg·m²; ω is angular velocity in rad/s.