Information AboutJoule |
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DESCRIPTION One joule is the work done, or energy expended, by a Force of one Newton moving an object one Metre along the direction of the force. This quantity is also denoted as a Newton-meter with the symbol N·m. Note that Torque also has the same units as work, but the quantities are not identical. In elementary units: : One joule is also:
HISTORY A joule is the mechanical equivalent of heat meaning the number of units of work in which the unit of heat can perform. Its value was found by James Prescott Joule in experiments that showed the mechanical energy Joule's equivalent, and represented by the symbol J. The term was first introduced by Dr. Mayer of Heilbronn. CONVERSIONS See Also: Conversion of units#Energy, work, or heat 1 joule is exactly 107 Erg s. 1 joule is approximately equal to:
Units defined in terms of the joule include:
1 joule in everyday life is approximately:
SI multiples SEE ALSO
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