WARNING!!!

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WARNING!!!

• Centripetal Force is not a new, separate force
  created by nature!
• Some other force creates centripetal force
• Swinging something from a string ? tension
• Satellite in orbit ? gravity
• Car going around curve ? friction

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Recall Newtons Law of Universal Gravitation

• Magnitude Every particle in the universe
  attracts every other particle with a force that
  is proportional to the product of their masses
  and inversely proportional to the square of the
  distance between them.
• Direction This force acts along the line joining
  the two particles.

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Group on Earth Observations (GEO)