| 单词 | centre of force |
| 释义 | > as lemmascentre of force centre of force n. the point from or towards which a central force acts; (more generally) a point through which a force can be regarded as acting. ΚΠ 1705 H. Ditton Gen. Laws Nature & Motion ii. 126 The Area's which revolving Bodies describe (by Rays drawn to an immovable Center of Force) do lie in immovable Planes. 1786 J. Elliot Exper. & Observ. Light & Colours 86 A body must revolve in an ellipsis, having its lower focus in the centre of force. 1880 Science 17 July 33/1 An isolated molecule is an inconceivable entity, whether we try..to visualise it as a little hard spherical body, or..to regard it as a centre of force. 1989 New Scientist 7 Jan. 38 Designers minimise the distance between the two centres of force during the operation of the boat. 2012 D. W. MacDougal Newton's Gravity v. 94 The above relationship holds true for any other circular orbit around this center of force. < as lemmas |
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