Newton's Principia, sections I, II, III, with notes and illustrations. Also a collection of problems (1863)
Newton, Isaac, Sir, 1642-1727, Frost, Percival, 1817-1898 · Cambridge, London, Macmillan and Co · leaf 154
ibing them about a point either fixed or moving uniformly in a straight line, by radii drawn to that point,is acted on by a centripetal force tending to the samepoint. Case 1. Let the time be divided into equal intervals, and,in the first interval, let the body describe AB with uniform velocity,… … at B, let a force, acting upon it by a single impulse,cause the body to describe BC in the second interval oftime, so that the triangle BSC is equal to the triangleASB, and therefore also to the triangle BSc; thereforeBSC and BSc are between the same parallels, hence BS 136 NEWTON. is parallel to…
Mechanics · Celestial mechanics
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