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conservation law |
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conservation lawor law of conservationIn physics, the principle that certain quantities within an isolated system do not change over time. When a substance in an isolated system changes phase, the total amount of mass does not change. When energy is changed from one form to another in an isolated system, there is no change in the total amount of energy. When a transfer of momentum occurs in an isolated system, the total amount of momentum is conserved. The same is true for electric charge in a system: charge lost by one particle is gained by another. Conservation laws make it possible to predict the macroscopic behaviour of a system without having to consider the microscopic details of a physical process or chemical reaction. conservation law [‚kän·sər′vā·shən ‚lȯ] (physics) A law which states that some physical quantity associated with an isolated system is constant. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The law of conservation of energy ensures that when the two balls collide, the cue ball will transfer some of its A machine that would produce more energy in the form of work than is supplied to it in the form of heat would violate the first law of thermodynamics, which is a special case of the law of conservation of energy (see conservation laws, in physics), and is known as a perpetual-motion machine of the first Mayo, A Holistic Examination of the Law of Conservation Easements, in PROTECTING THE LAND, supra note 1, at 26, 40-18 (surveying state taxation and legal treatment of conservation easements); DIEHL & BARRETT, supra note 12, at 130-34 (discussing limitations on conservation easements' effectiveness). |
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