Question

What is mass?
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The amount of matter in an object
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The amount of space an object takes up
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All of these
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The amount of force gravity exerts on an object

Answer 1

Mass is defined as **the amount of matter in an object**. It is a measure of the amount of substance or material that makes up an object and does not depend on the object's location in the universe.

To clarify the other options:
- The amount of space an object takes up refers to **volume,** not mass.
- The amount of force gravity exerts on an object relates to **weight,** which is different from mass.

Therefore, the correct answer is **"The amount of matter in an object."**