Newton's Law of Gravity

 

Universal Gravitation

Universal law of gravitation defined; double star system exam problemple; gravitational field of a spherical shell of matter.

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Law of Universal Gravitation

Newton's law of gravity; gravitational potential energy; principle of superposition; potential energy of a spherical shell and a particle; cavendish experiment and the gravitational constant.

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Gravitational Forces

Potential energy of a sphere and particle; gravitational force between spherically symmetric objects; gravitational forces on extended objects; tidal forces; weight and gravitational force.

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Newton's law of gravity defined; universal gravitation constant; definition of weight; comparison of inertial mass and gravitational mass; principle of equivalence. Includes accelerating elevator and satellite exam problemples.

Motion of celestial bodies due to gravitational force.

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Gravity

Gravitational constant defined; equation for gravitational force between two bodies; circular orbits and escape velocity; potential energy due to gravity, with equation.

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Harmonic Oscillator Problem Solving

Modeling the motion of a simple harmonic oscillator; gravitational field of a spherical shell of matter; gravitational force inside uniform sphere.

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Calculating Work Integrals

Work done by the inverse square gravitational force.

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Escape Velocity on Asteroid

Escape velocity for an object on the surface of an asteroid.

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Journey to the Center of the Earth

Finding the time it takes for an object to traverse a hole through the earth.

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Work on a Comet

Work done on a comet moving in a hyperbolic orbit away from the sun.

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Binary Star System

Gravitational forces acting on a small mass in a binary star system.

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Escape Speed of Moon

Finding the escape speed of a rocket from the moon.

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