The Mathematical Principles of Natural Philosophy, Volume 1

ABFD abfolute accelerative alfo alſo angle VCP apfides apfis arife attracting body axis becauſe biſected body revolving cafe cauſe centre of force centre of gravity centripetal force circle common centre conic ſection corpufcle curve line cycloid decreaſe defcend defcribed demonſtrated diminiſhed diſtance drawn duplicate ratio ellipfis equal fides figure fimilar fince firſt fituate focus folid fome force tending fubduplicate ratio fuch fuperficies given ratio globe half-ſheets hyperbola immovable impreſſed increaſed interfections inverſely laſt latus rectum leaſt LEMMA leſs let fall moſt motion move muſt obſerved ofcillate orbit parabola parallel particles paſs perpendicular plane poſition principal vertex prop proportional PROPOSITION quadratures quantity radius reaſoning reciprocally rectangle reſt right line ſame SCHOLIUM ſecond ſeveral ſhall ſhould ſmall ſpace ſphere ſquare ſuppoſe ſyſtem tangent themſelves THEOREM theſe thoſe trajectory triangles uſe velocity whoſe Widegate