Inverse-square law

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In physics, an inverse-square law is any law that states that some quantity is inversely proportional to the square of the distance from some point.

[edit] Examples

  F = G \frac{m_1 m_2}{|\mathbf{r}_1 - \mathbf{r}_2|^2},
where the Newtonian constant of gravitation G is 6.674 28 × 10−11 m3kg−1 s−2. Both bodies feel an attraction along the line connecting the centers of mass of the bodies.
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