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Show That the Gravitational Pull on Earth from the Sun

Question 61

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Show that the gravitational pull on Earth from the Sun is about 200 times the gravitational pull on Earth from the Moon.For reference,Moon's mass is 7.3 × 10 22 kg,the Sun's mass is 2 × 1030 kg,the Earth-Moon distance is 3.8 × 105 km,and the Earth-Sun distance is 1.5 × 108 km.

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Fgrav = GM1M2/r2;thus FSun/FMoon = (GMSME/dES2)/(...

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