Mass
noun · Physics
Definition
The amount of matter in an object, measured in kilograms.
Explanation
Mass does not change with location. Weight, the gravitational force on an object, does.
Example
A person with mass 60 kg has the same mass on the Moon.
Common confusion
Mass and weight are different quantities.
Related terms
- ForceA push or pull on an object, measured in newtons.
- InertiaThe tendency of an object to resist changes in its motion.
Study guides that use this term
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