| 单词 | mechanical advantage |
| 释义 | > as lemmasmechanical advantage mechanical advantage n. Mechanics the ratio of the force produced by a machine to the force applied to it. ΘΚΠ the world > matter > physics > mechanics > force > [noun] > active mechanical force > ratio of load to force applied mechanical advantage1852 the world > matter > physics > mechanics > force > [noun] > active mechanical force > ratio of load to force applied > mechanical advantage by use of machine machine1704 power1827 machine power1884 mechanical advantage1945 1799 J. Dumbell (title) The commercial aqueduct, a plan for improving the Port of London; with..some remarks on the Panergicon, a chymical power capable of being used to great mechanical advantage in carrying this plan into effect.] 1852 J. L. Blake Farm & Fireside 267 The withers should be somewhat high in every horse..for there is larger surface for the attachment of the muscles of the back, and they act at greater mechanical advantage. 1894 W. J. Lineham Text-bk. Mech. Engin. ix. 481 The first is the principle of virtual velocities, and the second mechanical advantage. 1945 C. E. Balleisen Princ. Firearms v. 44 From this time on the mechanical advantage of the mechanism becomes more favorable and the bolt is withdrawn from the breech end of the barrel. 1997 New Scientist 25 Jan. (inside back cover) A bicycle is unusual among machines because it has a mechanical advantage (MA) of less than one—typically between one-third (in low gear) and one-eighth (in top gear). < as lemmas |
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