| 单词 | triangle of forces |
| 释义 | > as lemmastriangle of forces circular triangle, a plane triangle formed by three intersecting circular arcs. spherical triangle, a triangle formed by three arcs upon the surface of a sphere: see spherical adj. and n. triangle of forces, the theorem in statics that if three forces in one plane, acting at one point, be in equilibrium, three straight lines in that plane parallel to their directions will form a triangle whose sides are proportional to their magnitudes.extracted from trianglen.< as lemmas |
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