Newton's Principia Sections I., II., III.: With Notes and Illustrations : Also a Collection of Problems Principally Intended as Examples of Newton's Methods |
Common terms and phrases
AB² abscissa accelerating effect action angular velocity areas described axis body describes body moves body revolves center of force center of gravity central orbit centripetal force chord of curvature circle of curvature circular conic section constant curve curvilinear limit cycloid diminished indefinitely direction distance drawn duplicate ratio ellipse equiangular spiral extremity fixed point focus force tending force varying Hence hyperbola impulse indefinitely diminished latus rectum law of force Lemma lemniscate locus magnitude major-axis motion orbit described ordinate oscillation parabola parallel parallelograms particle perpendicular plane polygon PROP proposition quantities radii radius ratio of equality right angles SCHOLIUM sector shew similar space described square straight line string subtangent subtense supposed tangent triangle ultimate ratio vanishes varies inversely vertex