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Another Gravity question

  1. Jun 12, 2009 #1
    If gravitational force act on a mass, shouldn't the gravity get reduced, since the force was used to move the mass?
  2. jcsd
  3. Jun 12, 2009 #2
    A force is not something that gets 'used up'. So no.
  4. Jun 12, 2009 #3
    But the force did some work on the mass, right?
  5. Jun 12, 2009 #4


    User Avatar

    Staff: Mentor

    Sure, butso what? Force is not energy.
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