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Mass - Wikipedia
MASS Definition & Meaning | Dictionary.com
What Is Mass? Mass Definition in Science - Science Notes and …
Mass Definition & Meaning - Merriam-Webster
Mass | Definition, Units, & Facts | Britannica
MASS | English meaning - Cambridge Dictionary
Mass - Physics Book
mass noun - Definition, pictures, pronunciation and usage notes ...
5.4 Mass and Weight - University Physics Volume 1 | OpenStax
The Scientific Definition of Mass - ThoughtCo