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erg
(redirected from Erg (unit))

   Also found in: Medical, Wikipedia, Hutchinson 0.01 sec.
erg (ûrg), unit of work work, in physics and mechanics, transfer of energy by a force acting to displace a body. Work is equal to the product of the force and the distance through which it produces movement.
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 or energy energy, in physics, the ability or capacity to do work or to produce change. Forms of energy include heat , light , sound , electricity , and chemical energy.
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 in the cgs system cgs system, system of units of measurement based on the metric system and having the centimeter of length, the gram of mass, and the second of time as its fundamental units. Other cgs units are the dyne of force and the erg of work or energy.
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 of units, which is based on the metric system metric system, system of weights and measures planned in France and adopted there in 1799; it has since been adopted by most of the technologically developed countries of the world.
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; it is the work done or energy expended by a force of 1 dyne acting through a distance of 1 centimeter. In terms of the joule joule (jl, joul), abbr.
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, the unit of work or energy in the mks system, 1 erg equals 0.0000001 joule.

erg

A unit of energy in the CGS system. It is equal to .0000001 joule in the MKS system. See CGS system.


erg [ərg]
(geography)
A large expanse of the earth's surface that is covered with sand, generally blown by wind into dune formations.
(physics)
A unit of energy or work in the centimeter-gram-second system of units, equal to the work done by a force of magnitude of 1 dyne when the point at which the force is applied is displaced 1 centimeter in the direction of the force. Also known as dyne centimeter (dyne-cm).

ERG
(medicine)


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