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Earth's Gravity

  1. Nov 5, 2015 #1
    Hey guys!

    What would be the gravitational effect of Earth on it's surface, if somehow the density of mass was uniform and equal to 2/5 of the real value? Assuming that the size e shape os the planet doesn't change.
     
  2. jcsd
  3. Nov 5, 2015 #2

    russ_watters

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    Staff: Mentor

    Welcome to PF!

    Have you Googled the equation for gravitational force? What does it tell you?
     
  4. Nov 5, 2015 #3
    Actually, do you think I should use the equation for gravitational force or the equation for gravitacional field?
     
  5. Nov 5, 2015 #4

    russ_watters

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    Staff: Mentor

    I guess it depends on what you are asking - it isn't clear to me what you want to know. What is "gravitational effect"?
     
  6. Nov 5, 2015 #5
    Analising the question again, I realised that it's Force. Ty for the help o/
     
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