AST101H1 Lecture Notes - Lecture 7: Gravitational Constant

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AST101H1 Full Course Notes
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AST101H1 Full Course Notes
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Galileo galilei: made telescope and saw that moons orbiting jupiter, conclude that sun is in the center of the solar system. If you push on sth it will push it back: momentum never changed, mass times velocity = momentum, angular momentum, mass times velocity times the distance. If you add up the angular momentum of everything in a closed system you will find that no matter what happens, this momentum is conserved: kepler"s second law. Tutorial 2: sketch approximattely what this orbit will look like when looking down on the solar system. > newton 3rd law, throw rock away from spaceship, if he did nothing he would drift around or that he would go back the the spaceship, eequa equation = he gets the pushed back. > mass times of square differences it woul d be the same, increase -> double the mass or half the difference according to the second law.

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