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Homework Help: Simple problem that i dont know how to do

  1. Jan 13, 2005 #1
    i have a problem:
    a planet has a mass of 5.6x10^25kg. It's radius is 25,000,000 m. what is the acceleration due to gravity?

    Um, i havent had a math course in a good two years, how do i find it?
  2. jcsd
  3. Jan 13, 2005 #2


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    Homework Helper

    You do't need a math corse to do some multiplications and one division.

    Apply the law of universal gravitational attraction of I.Newton.


    PS.The acceleration due to gravity is the gravity force acting on a body of 1Kg.
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