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Ratio of gravitational forces

  1. Mar 30, 2006 #1
    I am terrible at finding ratios, so I was wodering if someone can help me with this problem.

    Consider two point masses, each having mass m, that are separated vertically by a distance of 1cm just above the surface of a neutron star of radius R and mass M. Using Newton's law of gravity, find an expression for the ratio of the gravitational force on the lower mass to that on the upper mass.

    Any help will be greatly appriciated.
  2. jcsd
  3. Mar 30, 2006 #2

    Physics Monkey

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    Well, clearly the first thing you ought to do is right down an expression for the force on each particle, right?
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