| 单词 | rigid body |
| 释义 | > as lemmasrigid body rigid body n. Physics an object which undergoes no deformation; spec. one used as an idealized approximation of a real object, in which any two points are treated as remaining at a constant distance regardless of external forces acting upon it. ΚΠ 1654 W. Charleton Physiologia Epicuro-Gassendo-Charltoniana iii. xiv. 331 Whoever whould frame to himself an exact notion of a Rigid body, meerly as a Rigid, must compose it of the Attributes, inflexile, intractile, inductile. 1830 Trans. Amer. Philos. Soc. 3 317 The problem of the motion of a rigid body. 1882 Nature 28 Dec. 201/2 The ordinary lunar irregularities which are recognised in rigid-body astronomy. 1946 L. Toft & A. T. J. Kersey Theory of Machines (ed. 5) ii. 26 The point in a rigid body through which the weight always acts is called the centre of gravity. 2008 J. H. Ginsberg Engin. Dynamics iv. 173 The concept of a rigid body is an artificial one, in that all materials deform when forces are applied to them. < as lemmas |
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