A satellite is put into an orbit at a distance from the center of the Earth equal to twice the distance from the center of the Earth to the surface. If the satellite had a weight at the surface of 4000 N, what is the force of gravity (weight) of the satellite when it is in its orbit? Give your answer in newtons, N.

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  1. (1/4)4000 = 1000 N

    however that gravitational force is balanced by the mass times the centripetal acceleration if the thing is in orbit so the word "weight" does not mean that your scale feels anything.

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