\begin{definition}[Definition:Energy/Unit]
The unit of measurement of '''energy'''  is the joule $\mathrm J$:
:$1 \ \mathrm J = 1 \ \mathrm N \ \mathrm m$
where:
:$\mathrm N$ denotes the newton
:$\mathrm m$ denotes the metre.
Category:Definitions/Units of Measurement
Category:Definitions/Energy
\end{definition}