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 253
heextremities of that latus rectum which does not contain thecenter of force. 7. Prove that if, when a body is at the extremity of thelatus rectum which does not contain the center of force, thedirection of motion is deflected through a small angle, ivithoutaltering the velocity, the alteration of… … direction of the major axis, HPH is double the angle of de- a .. , HS US HH . ,, , - .... flection, and -^-r-n — ^~r^, or —r—j, is the change of eccentricity; PROP. XVII. PROBLEM IX. .. change of eccentricity : deflection of directionHH HE 235 2HP :: HP : AC :: EC* : AC2. 8. If a body, moving in an…
Mechanics · Celestial mechanics
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