Mathematical Principles of Natural Philosophy

ABFD abfolute alfo alſo angle VCP apfides apfis arifing attracted axis becauſe cafe cauſe centre of force centre of gravity centrifugal force centripetal force circle COMMENTARY common centre confequently conic fection Corol cycloid decreaſe defcend defcribed demonftrated diameter diminiſhed direction diſtance drawn duplicate ratio earth ellipfis equal equation fame manner fame ratio fecond fides figure fimilar fince firſt folid fome fquare fubduplicate ratio fuch fuppofed furface fyftem fyzygies given ratio greater greateſt hyperbola increaſed indefinitely interfections inverſely latus rectum lefs Lemma leſs let fall Motion of Bodies move muſt obferved orbit ordinate paffing parabola parallel particles perpendicular plane Plate pofition principal vertex Prop proportional PROPOSITION quadratures quantity radius reaſoning reciprocally rectangle refpect reft right line ſpace ſphere tangent thefe themſelves theſe thofe thoſe trajectory triangles velocity whofe whoſe