| 单词 | funicular polygon |
| 释义 | > as lemmasfunicular polygon funicular polygon n. a polygon or curve as formed by a (notional) cord or chain when subjected to the action of various forces at different points along its length; a diagram forming a polygon of this kind used to find the resultant of a system of forces acting on different points of a structure. ΚΠ 1764 S. Clark Easy Introd. Theory & Pract. Mech. 141 If the first side AC, and last BQ, of any funicular polygon ACDPQB, formed by the forces K, L, M, &c. acting in the directions KC, LD, &c. be produced until they intersect, as in T; [etc.]. 1857 W. Whewell Hist. Inductive Sci. (ed. 3) II. vi. i. 13 Stevin..applies his principle of equilibrium to cordage, pullies, funicular polygons. 1935 A. H. G. Palmer & K. S. Snell Mechanics vi. 93 By means of a funicular polygon, find the reactions on the supports A and B of a beam with dimensions and loading as shown in the figure. 2010 E. Allen & W. Zalewski Form & Forces ii. 48/3 Because the cable is loaded with discrete vertical forces 20 ft apart, its funicular polygon will be made up of straight-line segments whose horizontal projections are each 20 ft long. < as lemmas |
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