单词 | virtual work |
释义 | > as lemmasvirtual work virtual work n. Mechanics the work done by a force making a virtual displacement. ΚΠ 1877 G. M. Minchin Treat. Statics iv. 61 The product of the force, P, by the projection, ON, of the virtual displacement is called the virtual work of the force. 1942 J. L. Synge & B. A. Griffith Princ. Mech. ii. 60 The chief merit of the principle of virtual work lies in the fact that it does not involve the reactions of constraints. 2007 T. H. G. Megson Aircraft Struct. (ed. 4) iv. 90 The virtual work done by the forces, F, during the virtual displacement, Δv, is zero. < as lemmas |
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