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单词 funicular machine
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funicular machine
funicular machine n. an apparatus consisting of a rope, cord, etc., which is fixed in place at one or both ends, and on which forces are applied at different points along its length using weights or other ropes, cords, etc., often used as a means of keeping a rope taut or demonstrating certain principles in statics.
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1801 Encycl. Brit. Suppl. II. 183/1 When the two hanging parts of the rope are not parallel, but inclined in any angle, the force necessary for balancing the weight is to the weight as the side is to the diagonal of the parallelogram formed by the directions of the three ropes. Varignon calls this the funicular machine or power. Our sailors call it the swigg.
1825 W. Emerson Princ. Mech. (new ed.) 316 Every rope in a ship is a funicular machine, and the method used to belay a tack, or that of fastening the cords round a loaded waggon, is but the action of the funicular power.
1910 Appleton's New Pract. Cycl. IV. 223/1 The classifications are the lever, the inclined plane, the jointed links (called also the funicular machine, and also the ‘toggle joint’), and the hydrostatic press.
2014 C. C. Gillispie & R. Pisano Lazare & Sadi Carnot (ed. 2) iii. 58 One discussion that took into account the weight of the lines in a funicular machine represented the first hint of what Carnot later developed into the main emphasis of his theory of machines.
extracted from funicularadj.n.
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更新时间:2024/11/13 13:44:58