Universal Gravitation: Everything sucks

• Every object in the universe attracts every other with a force:

  • F=Gm1m2/r2
  • proportional to mass.
    • 2x mass : 2x force
  • inversely proportional to distance:
    • 2x distance : 1/4 force

• This little formula predicts all of Kepler’s Laws

  • Newton invented Calculus to prove this. You won’t have to.

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