EngiRef / Mechanical Engineering Formula

Power (Work/Time)

Power (Work/Time): Average power over a time interval. A Dynamics formula in mechanical engineering. Variables P, W and t, each with SI and imperial units.

Dynamics

Specification

Name
Power (Work/Time)
Discipline
mechanical
Category
Dynamics
LaTeX
P = \frac{W}{t}
Description
Average power over a time interval
Conditions
Work and time must correspond to the same interval
Can solve for
P, W, t
Tags
power, work, time, rate

Variables

Variables for Power (Work/Time)
SymbolNameUnitSi UnitImperial Unit
PPowerWWhp
WWorkJJft·lbf
tTimess -

Common questions

What is the Power (Work/Time) formula?
Average power over a time interval. It sits under Dynamics, Mechanical engineering in the EngiRef reference.
What do the symbols in the Power (Work/Time) formula mean?
In Power (Work/Time), P is power in W; W is work in J; t is time in s.
When does the Power (Work/Time) formula apply?
Power (Work/Time) holds under this condition: Work and time must correspond to the same interval.