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Average force of gravity

  1. Nov 12, 2013 #1
    Show that the average force of gravity between earth (mass = 6.0 X 10^24kg) and the moon (mass = 7.4X10^22 kg) is 2.1X10^20 N. The average earth-moon distance is 3.8 X 10^8 m
  2. jcsd
  3. Nov 12, 2013 #2


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    Hi snakeboy, and welcome to PF.

    The forum rules require you to show your work before we can help. You are also supposed to use the three headings that appear when you try to post in this section.
  4. Nov 12, 2013 #3


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    Are you not aware that [itex]F= GmM/r^2[/itex]?
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