Main Table of Contents

  0: Introduction
  1: Newton's law of gravitation
  2: G and g
  3: Shell theorem
  4: Shell theorem: inside the sphere optional
  5: Sample problem: gravitational force inside the Earth optional
  6: Earth's composition and g
  7: Newton's cannon
  8: Interactive problem: Newton's cannon
  9: Circular orbits
10: Sample problem: speed of an orbiting satellite
11: Interactive problem: intercept the orbiting satellite
12: Interactive problem: dock with an orbiting space station
13: Kepler's first law
14: More on ellipses and orbits optional
15: Kepler's second law
16: Kepler's third law
17: Orbits and energy optional
18: Escape speed optional
19: Gotchas
20: Summary

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Problems