The mass of the moon is about 1.2% of the mass of the earth. Compared to the gravitational force that earth exerts on the moon, the gravitational force of the moon exerted on earth :

Is the same.

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Is smaller

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Is greater.

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Varies with its phase.

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Solution

The correct option is D Is the same.
The gravitational force that earth exerts on the moon is equal to the gravitational force the moon exerts on earth.
Th gravitation force is represented by $F_{g r a v i t a t i o n} = \frac{G M m}{R^{2}}$ (where $M$ and $m$ are the masses of the heavenly bodies and $R$ is the distance in between them)
On both the masses $M$ and $m$ same force is acting which is $F = \frac{G m M}{R^{2}}$ .

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