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 107
hat is, the time is the same from whatever point the particlesmotion commences. 7. A particle is subject to the action of a force, whose accelerating effect varies as the distance from a fixed point, in thedirection of which it acts, the particle is projected from a givenpoint in a direction… … Let CB, perpendicular to CA, be the distance in which aparticle would be reduced to rest, if projected from C with thevelocity of projection. LEMMA X. 89 Describe circles Bb, Aa having the common center C, anddraw CpF cutting the circles in p and P, and draw pn perpendicular to CB, and;;/?!, PMto…
Mechanics · Celestial mechanics
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