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The distance between an artificial satellite and the center of the Earth is 4.50×107 m. The...

The distance between an artificial satellite and the center of the Earth is 4.50×107 m. The mass of the satellite is 450 kg and that of the Earth is me = 5.98×1024 kg. The gravitational constant G = 6.67×10-11Nm2/kg2.
(a) Use Newton's law of the gravitational force to find the force between the satellite and Earth. (b) Is this force an attractive force or a repulsive force?

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Answer #1

(b) Gravitational force is always attractive.

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