AP Physics C - Gravitation
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The connection between an apple falling to the surface of the earth and the moon "falling" in its orbit around the earth is so tenuous, only a man of Newton's genius could have stumbled upon it.
Gravitation Video Lessons
The Law of Falling Bodies
(Mechanical Universe, Episode 2)
The Apple and the Moon
(Mechanical Universe, Episode 8)
Kepler's Three Laws
(Mechanical Universe, Episode 21)
The Kepler Problem
(Mechanical Universe, Episode 22)
Energy and Eccentricity
(Mechanical Universe, Episode 23)
Newton's Law of Gravity (Monterey)
Orbits of Planets and Satellites (Monterey)
Multiple-Choice Practice Problems
Scroll down to see multiple choice practice problems in Universal Gravitation.