Question: A solid lead sphere of radius 10 m (about 66 ft across!) has a mass of about 57 million kg. If two of these spheres

A solid lead sphere of radius 10 m (about 66 ft across!) has a mass of about 57 million kg. If two of these spheres are floating in deep space with their centers 20 m apart, The gravitational attraction between the spheres is only 540 N (about 120 lb ). how large would this gravitational force be if the distance between the centers of the two spheres were tripled

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