The centers of a 15 kg lead ball and a 80 g lead ball are separated by 13cm. What gravitational force does each exert on the other? Express your answer in newtons. What is the ratio of this gravitational force to the weight of the 80 g ball?

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Chapter7: Rotational Motion And Gravitation
Section7.5: Newtonian Gravitation
Problem 7.9QQ: A planet has two moons with identical mass. Moon 1 is in a circular orbit of radius r. Moon 2 is in...
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The centers of a 15 kg lead ball and a 80 g lead ball are separated by 13cm. What gravitational force does each exert on the other? Express your answer in newtons. What is the ratio of this gravitational force to the weight of the 80 g ball?

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