| 单词 | parallelogram of forces |
| 释义 | > as lemmasparallelogram of forces parallelogram of forces n. [compare French parallélogramme des forces (1759)] a parallelogram illustrating the theorem that if two forces acting at a point are represented in magnitude and direction by two sides of a parallelogram meeting at that point, their resultant is represented by the diagonal drawn from that point; (hence) the theorem itself.extracted from parallelogramn.< as lemmas |
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