Power
The rate at which work is performed or energy is transferred per unit time.
Governing formula
P = dW/dt = F · v
SI unit
W (J/s)
In depth
Power quantifies energy conversion speed. One horsepower (hp) equals approximately 746 Watts.
Examples in the real world
An electric elevator motor exerting 7500 Watts of power to lift a 750 kg cabin at 1 m/s.