Why is the weight of an object on the Moon 16 th its weight on the Earth Physics Cbse class 11

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## Why is the weight of an object on the Moon 1/6 th its weight on the Earth? - Physics Cbse class 11

Why is the weight of an object on the Moon 1/6 th its weight on the Earth?

By:milan-ransingh

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Let ME be the mass of the Earth and m be the mass of an object on the surface of the Earth. Let RE be the radius of the Earth. According to the universal law of gravitation, weight WE of the object on the surface of the Earth is given by,

Let Mand RM be the mass and radius of the Moon. Then, according to the universal law of gravitation, weight WM of the same object on the surface of the Moon is given by:

Therefore, weight of an object on the moon is (1/6)th of its weight on the Earth.

Concept Note: Gravitational force of the moon is (1/6)th that of the earth.

Aparna-Dasgupta

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