James prescott joule

[jool, joul] /dʒul, dʒaʊl/

James Prescott, 1818–89, English physicist.
the derived SI unit of work or energy; the work done when the point of application of a force of 1 newton is displaced through a distance of 1 metre in the direction of the force. 1 joule is equivalent to 1 watt-second, 107 ergs, 0.2390 calories, or 0.738 foot-pound J
James Prescott. 1818–89, English physicist, who evaluated the mechanical equivalent of heat and contributed to the study of heat and electricity

unit of electrical energy, 1882, coined in recognition of British physicist James P. Joule (1818-1889).

joule (jōōl, joul)
Abbr. J

Joule, James Prescott 1818-1889.
British physicist who demonstrated that heat is a form of energy. His work established the law of conservation of energy, stating that energy is never destroyed but may be converted from one form into another. The joule unit of energy is named for him.
(jl, joul)
The SI derived unit used to measure energy or work. One joule is equal to the energy used to accelerate a body with a mass of one kilogram using one newton of force over a distance of one meter. One joule is also equivalent to one watt-second.


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