define the SI unit of energy...?
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The SI unit of energy/work is the joule (J), named for English physicist James Prescott Joule (1818 - 1889). ... One joule equals the work done by a force of one newton moving an object one meter (J = N · m).
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Joule, unit of work or energy in the International System of Units (SI); it is equal to the work done by a force of one newton acting through one metre. ... In electrical terms, the joule equals one watt-second—i.e., the energy released in one second by a current of one ampere through a resistance of one ohm.
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