What is the meaning of Joule?

In the International System of Units, the derived unit of energy, work and heat; the work required to exert a force of one newton for a distance of one metre. Equivalent to one watt-second (one watt of power acting for a duration of one second).

joule (the derived unit of energy, work and heat)

joule

joule (unit of measure)

joule

joule

joule

joule (derived unit of energy, work and heat)

joule

joule

Source: wiktionary.org