CH-9 Review - CH-9 ReviewGravitationPrepared By: Fady...

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Unformatted text preview: CH-9 ReviewGravitationPrepared By: Fady MorcosLaw of Universal GravitationEvery body in the universe attracts every other body with a gravitational force expressed by the inverse square law: Where G is the universal gravitational constant.Newtons 3rdLaw: Mass m applies a force of equal magnitude and opposite in direction to the force by mass M. The direction of the force of each particle is directly towards the other particle.2rGMmF=Newtons TheoremThe net gravitational force between two spherical bodies acts just as though each body was concentrated at the center of it respective mass.Using Newtons Law of Gravitation:2rGMmF=What is the acceleration due to gravity at the surface of the earth?What is the acceleration due to gravity at a height habove the surface of the earth?Circular OrbitsGrav. Force is responsible for all orbital motions.Although F = -FMS>> MEbaS<< aEThus we assume sun is fixed.Now we study the motion of the planet orbiting the Sun.What type of motion is orbital motion?...
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This note was uploaded on 02/24/2010 for the course PHY 303K taught by Professor Turner during the Fall '08 term at University of Texas at Austin.

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CH-9 Review - CH-9 ReviewGravitationPrepared By: Fady...

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