Q:

# What is the force of gravity?

A:

The force of gravity is an attraction that pulls all matter together. Matter is inherently attracted to other matter, due to the force of gravity. As more matter binds itself together, it exerts more gravity.

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The amount of matter in an object determines how much gravity it exerts. This is why Earth has more gravity than the moon. Earth has more matter. Gravity is also affected by distance. The further a person is from an object, the less gravity affects him. This is why astronauts are able to stand on the moon and not be pulled off and fall back to Earth. Astronauts experience a greater pull from the moon's gravity when standing on the moon than they do from Earth's gravity when standing on the moon.

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