单词 | newton's second law |
释义 | > as lemmasNewton's second law a. Each of the three laws of motion stated in Newton's Principia (1687): see laws of motion at law n.1 17b. Often distinguished as Newton's first law, Newton's second law, Newton's third law. ΚΠ 1704 J. Harris Lexicon Technicum I. at Motion, Its Laws The Incomparable Mr. Isaac Newton gives but these Three Laws of Motion. 1763 W. Jones Ess. First Princ. Nat. Philos. (new ed.) vi. 112 Sir Isaac's first law..will have neither meaning nor use in philosophy.] 1824 W. Whewell Elem. Treat. Mech. (ed. 2) p. vii Newton's third law..may be considered objectionable on this ground. c1874 Pop. Cycl. Nat. & Physical Sci. 615/2 According to Newton's laws..if the body were not under the influence of any force, it would continue to move uniformly. a1879 J. C. Maxwell in Encycl. Brit. (1883) XV. 748 Denial of Newton's [first] law is in contradiction to the only system of consistent doctrine about space and time which the human mind has been able to form. 1935 A. H. G. Palmer & K. S. Snell Mechanics xv. 303 Since the sun exerts a force on the planet, it follows from Newton's third law that the planet must exert an equal and opposite force on the sun. 1959 N. Feather Mass, Length & Time (1961) x. 209 On the basis of Newton's second law of motion, the fact that there is such a motion implies that there is a force of magnitude μm/r2 directed towards the sun, m being the mass of the planet. 1995 N.Y. Times 27 June c12/4 With material travelling at such great speeds, the ordinary physics of Newton's laws no longer applies to conditions there. < as lemmas |
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