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From Karnataka Open Educational Resources
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Introduction
Introduction
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Deriving this for another planet, we can arrive at the third law.
Deriving this for another planet, we can arrive at the third law.
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+Additional resources:
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+1. Gravity is more than a name - This link gives an overview of what gravity is.
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+2. Cavendish experiment - This link gives a simple sketch of the Cavendish experiment.
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+3.http://sciencedemonstrations.fas.harvard.edu/icb/icb.do?keyword=k16940&pageid=icb.page80669&pageContentId=icb.pagecontent277503&state=maximize&view=view.do&viewParam_name=indepth.html - This website demonstrates the set-up of the Cavendish experiment.
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+ Animation of the Cavendish experiment
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+ www.hyperphysics.com
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+ From Classical Mechanics to General Relativity - This is a good description of the geometry of Newtonian gravity and how to move from classical mechanics to relativity.
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+ The Value of "g" (http://www.physicsclassroom.com/Class/circles/U6L3e.cfm) - This is a good resource to study the variation of “g” at various distances above the Earth's atmosphere.
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+ http://science.nasa.gov/science-news/science-at-nasa/2004/06may_lunarranging/ - This link examines the Galileo experiment and discusses if there are other possible explanations.
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+ http://www.physicsclassroom.com/Class/circles/U6L4b.cfm -This website describes the mathematics of orbital motion.
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+ http://spaceflight.nasa.gov/gallery/images/station/crew-9/html/iss008e21996.html
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+Keywords
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+ Mass, Inertial, Gravitational, Force field, Universal law of gravitation, Acceleration due to gravity, “g”, weight, weightlessness
