英语词汇“conservation of force”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	conservation of force
释义	> as lemmas conservation of force The term originally referred to energy (so conservation of energy, also conservation of force) and the concept was soon extended to mass (mass n.² 5b), until mass was recognized as a form of energy. Subsequently other quantities were recognized as being conserved, either absolutely or partially: momentum (both linear and angular), electric charge, parity, etc. [The term originated with Leibniz (see quot. a1716), who used it with reference to ‘vis viva’, the old name for energy (energy n. 6a(a)). J. R. Mayer (see quot. 1842) is generally regarded as the first person to formulate a law of conservation of energy. J. P. Joule independently came to a similar conclusion in 1843 ( Philos. Mag. 23 263, 347, and 435) on the basis of his experiments on the mechanical equivalent of heat. The principle became generally acknowledged following the publication of Helmholtz's book (quot. 1847). Compare French conservation des forces vives (18th cent.), conservation de la Force absolue (a1716 in Leibniz: see quot. a1716), post-classical Latin conservatio virium vivarum (18th cent.; compare quots. 1779 and 1796): a1716 G. W. Leibniz Werke (1860) VI. 217 C'est à dire la conservation de la Force absolue. 1779 Philos. Trans. 1778 (Royal Soc.) 68 366 Both these conclusions are derived by this author [sc. D. Bernoulli] from the principle, which they call the conservatio virium vivarum. 1796 C. Hutton Math. & Philos. Dict. (new ed.) I. 495/2 Mr. Dan. Bernoulli..has assumed the preservation of the Vis Ascendens of Huygens, or, as others express it, the Conservatio Virium Vivarum. 1842 J. R. Mayer in Ann. der Chem. u. Pharm. 42 236 Das Gesetz der Erhaltung lebendiger Kräfte. 1847 H. L. F. von Helmholtz (title) Über die Erhaltung der Kraft, eine physikalische Abhandlung. ] extracted from conservationn. < as lemmas
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> as lemmas