Newton's Law of Gravity

The force exerted by one mass on another acts along the line joining the masses. It varies inversely as the square of the distance separating the masses and is proportional to the product of the masses. The force is attractive.


"http://www.physics.udel.edu/~watson/phys208/gravitation.html"
Last updated Sept. 3, 1997.
Copyright George Watson, Univ. of Delaware, 1997.