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Please explain these Equations in GR, Modified Universal law of Gravity.

  1. Dec 4, 2011 #1


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    Space time Geometry and GR, taken from lecture notes

    http://www.mth.kcl.ac.uk/courses/cm334.html [Broken]

    from pages 3 and 4

    Newton's universal law of gravity is getting modified.

    it says using the result, from where this result comes from?


    and as follows with this page


    after equation 4, it says that using the fact that... where this equation is coming from and how can I understand this, can anyone explain please?
    Last edited by a moderator: May 5, 2017
  2. jcsd
  3. Dec 5, 2011 #2


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    Science Advisor

    Last edited: Dec 5, 2011
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