单词 | leverage of a force |
释义 | > as lemmasleverage of a force a. The power of a lever; the mechanical advantage gained by the use of a lever. leverage of a force (see quot. 1830). ΘΚΠ the world > matter > physics > mechanics > force > [noun] > distance of direction of force from axis leverage of a force1830 the world > matter > physics > mechanics > force > [noun] > active mechanical force > ratio of load to force applied > by use of lever purchase1711 prise1751 leverage1830 1830 H. Kater & D. Lardner Treat. Mechanics x. 135 The distance of the direction of a force from the axis is sometimes called the leverage of the force. 1845 R. B. Todd & W. Bowman Physiol. Anat. I. 146 The extension of the os calcis..affords a considerable leverage to the muscles of the calf of the leg. 1860 O. W. Holmes Elsie Venner (1891) xvi. 221 Leverage is everything. 1879 G. MacDonald Sir Gibbie II. xiii. 224 The stream worked at the roots, and the wind laid hold of him with fierce leverage. 1882 Knowledge No. 19. 403/2 The actual leverage increases as A W is increased, supposing the oar's length to remain unchanged. < as lemmas |
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