1.

Centre of mass of the carth-moon systema) lies on the surface of the carthb) lies on the surface of the moonc) within the earthd) lies outside the earth on the line joining theicentres

Answer»

The mass of the Moon is 7.35*1022 kg and the mass of the Earth is 6.00*1024 kg. The distance between the Moon and the Earth is 3.80*105 km. Since the radius of the Earth is 6378 km, the center of mass of the Earth-Moon system is inside the Earth.

(c) is correct option



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