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January 25, 2015

January 25, 2015

Posted by **anonymous** on Friday, February 16, 2007 at 1:33pm.

The maximum gravitational force occurs when they are in contact, i.e., as close together as possible. At that separation, the distance between the centers is

R = r1 + r2 = 0.128 m.

The maximum attractive force is

F = G* M1 * M2/R^2

where G is the universal constant of gravity. Look up G and compute that number.

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