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g The mass of the Earth is about 81 times the mass of the Moon. How is the Earth's gravitational pull on the Moon compared to the Moon's gravitational pull on the Earth? Group of answer choices The Moon’s gravitational pull on the Earth is 9 times the Earth’s gravitational pull on the Moon. The Moon’s gravitational pull on the Earth is equal to the Earth’s gravitational pull on the Moon. The Earth’s gravitational pull on the Moon is 9 times the Moon’s gravitational pull on the Earth. The Moon’s gravitational pull on the Earth is 81 times the Earth’s gravitational pull on the Moon. The Earth’s gravitational pull on the Moon is 81 times the Moon’s gravitational pull on the Earth.

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AMB000

Answer:

Equal.

Explanation:

The Moon’s gravitational pull on the Earth is equal to the Earth’s gravitational pull on the Moon. This is Newton 3rd Law, but also can be explicitly calculated with Newton's Law of Gravitation, which is:

[tex]F=Gm_1m_2/r^2[/tex]

From here we can see that no matter which pull we want to calculate, at the end both masses will be multiplying between them and the result will be the same. Or as said originally but using a different (even more fundamental) law, to an action must oppose the same reaction.

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