physics

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Newton was holding an apple of mass 120 g and thinking about the gravitational forces exerted on the apple by himself and by the Sun. Calculate the magnitude of the gravitational force acting on the apple due to Newton, the Sun, and the Earth, assuming that the distance from the apple to Newton's center of mass is 51 cm and Newton's mass is 79 kg.
1) due to Newton=??
2) due to the Sun =??
3) due to the Earth=??

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