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 219
velocity being the same at A, the velocity perpendicular to A C is destroyed by the force at the same distancefrom A C. 2. A tody is describing a circle about a force which varies asthe distance and tends to the center; if the center, to which theforce tends, be suddenly transferred to a point in… … Let P be the position of the body at the instant the center offorce is transferred from C, the center of the circle, to S, whereSCP is an equilateral triangle. The velocity at P is Vyu-. CP= V//,. SP, and, since it is unaltered by the change of the center of force, the semidiameterconjugate to SP…
Mechanics · Celestial mechanics
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