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Forces and Motion
| Term | Definition |
|---|---|
| Gravity | A force that pulls everything and everybody towards Earth |
| Mass | The amount of matter in an objects |
| Weight | A measure of the force of Earth's gravity on the mass of an object or living thing |
| Air Resistance | The force of air that slows down falling objects |
| Newton's First Law | inertia |
| Newton's Second Law | acceleration |
| Newton's Third Law | action and reaction |