- 1Dedication
- 2Introduction to the American Edition
- 3Life of Sir Isaac Newton
- 4The Author’s Preface
- 5Book I — The Mathematical Principles of Natural Philosophy
- 6Axioms, or Laws of Motion
- 7Book I — Of the Motion of Bodies
- 8Section II — Of the Invention of Centripetal Forces
- 9Section III — Of the Motion of Bodies in Eccentric Conic Sections
- 10Section IV — Of the Finding of Elliptic, Parabolic, and Hyperbolic…
- 11Section V — How the Orbits Are to Be Found When Neither Focus Is Given
- 12Section VI — How the Motions Are to Be Found in Given Orbits
- 13Section VII — Concerning the Rectilinear Ascent and Descent of Bodies
- 14Section VIII — Of the Invention of Orbits Wherein Bodies Will Revol…
- 15Section IX — Of the Motion of Bodies in Moveable Orbits; and of the…
- 16Section X — Of the Motion of Bodies in Given Superficies, and of th…
- 17Section XI — Of the Motions of Bodies Tending to Each Other With Ce…
- 18Section XII — Of the Attractive Forces of Sphærical Bodies
- 19Section XIII — Of the Attractive Forces of Bodies Which Are Not of…
- 20Section XIV — Of the Motion of Very Small Bodies When Agitated by C…
- 21Book II — Section I — Of the Motion of Bodies That Are Resisted in…
- 22Section II — Of the Motion of Bodies That Are Resisted in the Dupli…
- 23Section III — Of the Motions of Bodies Which Are Resisted Partly in…
- 24Section IV — Of the Circular Motion of Bodies in Resisting Mediums
- 25Section V — Of the Density and Compression of Fluids; and of Hydros…
- 26Section VI — Of the Motion and Resistance of Funependulous Bodies
- 27Section VII — Of the Motion of Fluids, and the Resistance Made to P…
- 28Section VIII
- 29Section IX — Of the Circular Motion of Fluids
- 30Book III
- 31Rules of Reasoning in Philosophy
- 32Phænomena, or Appearances
- 33Propositions
- 34The System of the World
Newton’s Principia
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