Difference between revisions of "Energy"
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| − | + | '''Energy''' is the ability to do work.<ref>Wile, Dr. Jay L. ''Exploring Creation With [[Chemistry]]''. Apologia Educational Ministries, Inc. 1998</ref> In [[physics]], energy is a conserved quantity, and a closed system of interacting particles is known to always have the same value for its energy; this is known as the law of conservation of energy.<ref>Halliday, Resnick, Walker: '' Fundamentals of Physics'', 6th Edition</ref> | |
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| + | Energy is also a source of usable heat or power. | ||
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| + | ==References== | ||
| + | <references/> | ||
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| + | ==External Links== | ||
| + | *[http://www.aim.org/wls/category/energy/ What Liberals Say - Category: Energy], [[Accuracy In Media]] | ||
| + | *[http://www.relativitycalculator.com/E=mc2.shtml E=mc<sup>2</sup>, Law of Inertia of Energy] | ||
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| + | [[Category:Physics]] | ||
Revision as of 16:07, June 26, 2009
Energy is the ability to do work.[1] In physics, energy is a conserved quantity, and a closed system of interacting particles is known to always have the same value for its energy; this is known as the law of conservation of energy.[2]
Energy is also a source of usable heat or power.