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Homework Help: What is the meaning of m3 kg-1 s-2 in gravitational constant

  1. Dec 19, 2011 #1
    what is the meaning of m3 kg-1 s-2 in gravitational constant
     
  2. jcsd
  3. Dec 19, 2011 #2
    Force has units [itex]kg\ m\ s^{-2} [/itex], the units in the gravitational constant just make this come out.
     
  4. Dec 19, 2011 #3

    gneill

    User Avatar

    Staff: Mentor

    Note that you can also write the units of G as [itex]N\;m^2\;kg^-2[/itex]. This makes its role in Newton's law of gravitation even more obvious.
     
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