Joule

What is joule known for

The Joule is the SI unit of energy, work, and heat, defined as the energy expended when a force of 1 newton is applied over a distance of 1 meter. It is named after James Prescott Joule, who discovered the mechanical equivalent of heat. [1] In terms of SI base units, one joule corresponds to one kilogram - metre squared per second squared (1 J = 1 kg⋅m2⋅s−2). One joule is equal to the amount of work done when. . Overview of how scientists use the joule unit to measure work or energy. [PDF Version]