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Newton’s law of gravitation states that the gravitational force between two point masses is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centres.
Newton’s law also applies to planets and the Sun because the distance between planets and the Sun is much greater than the radius of the Sun and the planets, so their exact shapes become negligible.
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between two point masses is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centres.
