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								Energy									 
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								The capacity for work or vigorous activity; vigor; power									 
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								Potential energy									 
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								The energy of a particle or system of particles derived from position, or condition, rather than motion									 
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								Kinetic energy									 
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								The energy possessed by a system or object as a result of its motion									 
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								Law of consevation of energy									 
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								 the process of changing one form of energy into another									 
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								Chemical energy									 
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								 that part of the energy in a substance that can be released by a chemical reaction									 
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								Nuclear energy									 
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								The energy released by a nuclear reaction, especially by fission or fusion									 
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								Gravitational energy									 
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								 is the energy associated with the gravitation feilds									 
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								Stored mechanical energy									 
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								 energy in a mechanical form         									 
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