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Gravitational filed

  1. Jun 8, 2010 #1
    been a while since i have done physic... for got how to calculate gravitational filed...

    <THIS IS NOT A HOMEWORK QUESTION>
     
  2. jcsd
  3. Jun 8, 2010 #2
    Gravitational force : F = GMm/r^2
    Gravitational potential : U = -GMm/r
     
  4. Jun 8, 2010 #3
    [tex]-G \frac{m_1}{r^2}[/tex]
    or in vector form, which I prefer to use:
    [tex]-G \frac{m_1}{\left\| \boldsymbol{r} \right\|^2} \boldsymbol{\hat{r}} \,.[/tex]
     
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