EngiRef / Mechanical Engineering Formula
Power (Rotational)
Power (Rotational): Mechanical power from torque and angular velocity. A Dynamics formula in mechanical engineering. Variables P, τ and ω, each with SI and…
Dynamics
Specification
- Name
- Power (Rotational)
- Discipline
- mechanical
- Category
- Dynamics
- LaTeX
- P = \tau \omega
- Description
- Mechanical power from torque and angular velocity
- Conditions
- Angular velocity must be in rad/s
- Can solve for
- P, τ, ω
- Tags
- power, torque, angular, rotation
Variables
| Symbol | Name | Unit | Si Unit | Imperial Unit |
|---|---|---|---|---|
| P | Power | W | W | hp |
| τ | Torque | N·m | N·m | ft·lbf |
| ω | Angular Velocity | rad/s | rad/s | rpm |