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# Why is the weight of an object on the moon $$\frac{1}{6}$$ th its weight on the earth?

The weight of an object on the moon is $$\frac{1}{6}$$ th its weight on the earth because the gravitational attraction on the moon is about one sixth, as the moon’s mass is $$\frac{1}{100}$$ times the mass of earth and radius is $$\frac{1}{4}$$ times the earth’s radius. Thus, an object’s weight on the moon is $$\frac{1}{6}$$ th its earth weight.