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Joules

Definition: A joule (J) is the SI unit of energy, defined as the amount of work done when a force of one newton moves an object one meter in the direction of the force.

History: The joule is named after James Prescott Joule, a physicist who made significant contributions to the study of energy and thermodynamics in the 19th century. It was officially adopted as the SI unit of energy in 1889 and remains the standard unit in physics and engineering.

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