law of conservation of energy-momentum

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• The Law of Conservation of Energy —     The Law of Conservation of Energy     † Catholic Encyclopedia ► The Law of Conservation of Energy     Amongst the gravest objections raised by the progress of modern science against Theism, the possibility of Miracles, free will, the… …   Catholic encyclopedia

• Conservation of energy — This article is about the law of conservation of GPE in physics. For sustainable energy resources, see Energy conservation. Prof. Walter Lewin demonstrates the conservation of mechanical energy, touching a wrecking ball with his jaw. (MIT Course… …   Wikipedia

• Stress-energy-momentum pseudotensor — In the theory of general relativity, a stress energy momentum pseudotensor, such as the Landau Lifshitz pseudotensor, is an extension of the non gravitational stress energy tensor which incorporates the energy momentum of gravity. It allows the… …   Wikipedia

• Momentum — This article is about momentum in physics. For other uses, see Momentum (disambiguation). Classical mechanics Newton s Second Law …   Wikipedia

• conservation law — Physics, Chem. any law stating that some quantity or property remains constant during and after an interaction or process, as conservation of charge or conservation of linear momentum. [1945 50] * * * or law of conservation In physics, the… …   Universalium

• Energy — This article is about the scalar physical quantity. For other uses, see Energy (disambiguation). Energetic redirects here. For other uses, see Energetic (disambiguation) …   Wikipedia

• energy conversion — ▪ technology Introduction       the transformation of energy from forms provided by nature to forms that can be used by humans.       Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy …   Universalium

• Conservation of mass — The law of conservation of mass, also known as the principle of mass/matter conservation, states that the mass of an isolated system (closed to all matter and energy) will remain constant over time. This principle is equivalent to the… …   Wikipedia

• Conservation law — For the legal aspects of environmental conservation, see conservation movement. In physics, a conservation law states that a particular measurable property of an isolated physical system does not change as the system evolves. One particularly… …   Wikipedia

• conservation law — Physics, Chem. any law stating that some quantity or property remains constant during and after an interaction or process, as conservation of charge or conservation of linear momentum. [1945 50] * * * conservation law noun (physics) A law that… …   Useful english dictionary

• conservation — n. preservation, esp. of the natural environment. Phrases and idioms: conservation area an area containing a noteworthy environment and specially protected by law against undesirable changes. conservation of energy (or mass or momentum etc.)… …   Useful english dictionary