31. REASONINGThe gravitational force that the sun exerts on a person standing on the earth is given by Equation 4.3 as 2sunsunsun-earth/FGMmr=, where Msunis the mass of the sun, mis the mass of the person, and rsun-earthis the distance from the sun to the earth. Likewise, the gravitational force that the moon exerts on a person standing on the earth is given by 2moonmoonmoon-earth/Mmr=, where Mmoonis the mass of the moon and rmoon-earthis the distance from the moon to the earth. These relations will allow us to determine whether the sun or the moon exerts the greater gravitational force on the person. SOLUTION
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