Forces and Motion
Orbital Motion
Notes
• A satellite’s orbit is defined by the force of gravity and tangential velocity.
• All objects orbit in elliptical orbits
• Objects sweep out equal areas in equal time
• P2 ~ a3
• Orbiting objects are continually falling toward their central body.
Notebook
For more information, check out the following websites.
http://www-spof.gsfc.nasa.gov/stargaze/Skepl3rd.htm
http://www-spof.gsfc.nasa.gov/stargaze/Scircul.htm
http://astro.unl.edu/naap/pos/animations/kepler.html
http://galileoandeinstein.physics.virginia.edu/more_stuff/flashlets/kepler6.htm
http://www.windows2universe.org/physical_science/physics/mechanics/orbit/ellipse.html
http://www.nasa.gov/audience/forstudents/k-4/dictionary/Escape_Velocity.html
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