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Mechanics

Physics

After this lesson, you should be able to:

  • State Newton’s law of universal gravitation
  • Understand the concept action-at-a-distance
  • Distinguish between mass and weight
  • Describe weight as a gravitational force
  • Calculate the acceleration due to gravity
  • Apply Newton’s law of universal gravitation to calculate the force between two masses
  • Relate Newton’s gravitational law to orbital motion
  • Understand the notion of apparent weightlessness