| 单词 | center of curvature |
| 例句 | Figure 6.8 The directions of the velocity of an object at two different points are shown, and the change in velocity Δv is seen to point directly toward the center of curvature. College Physics for AP Courses 2015-08-12T00:00:00Z Here the two centers of curvature are not the same, and the one road narrows to the other on the curve. The Teaching of Geometry 2011-10-12T02:00:52.133Z The centers of curvature of the different rings receded from the axis as their distance from the center increased, in such a manner as to overcome a serious optical defect known as spherical aberration. Artificial Light Its Influence upon Civilization To find the center of curvature at D, assume the crank pin A to have a velocity Aa. Scientific American Supplement, No. 595, May 28, 1887 To run round a curve, the axis of each must, if continued, pass through the center of curvature of the curve. Scientific American Supplement, No. 447, July 26, 1884 The direction of centripetal acceleration is toward the center of curvature, but what is its magnitude? College Physics for AP Courses 2015-08-12T00:00:00Z Centripetal force Fc is always perpendicular to the path and pointing to the center of curvature, because ac is perpendicular to the velocity and pointing to the center of curvature. College Physics for AP Courses 2015-08-12T00:00:00Z These two forces must add to give a net external force that is horizontal toward the center of curvature and has magnitude mv2 /r . College Physics for AP Courses 2015-08-12T00:00:00Z The direction of a centripetal force is toward the center of curvature, the same as the direction of centripetal acceleration. College Physics for AP Courses 2015-08-12T00:00:00Z |
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