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matter and motion
| Term | Definition |
|---|---|
| motion-the Acton of moving or changing position | friction-surface resistance relative to motion |
| speed-rapidity in moving, | gravity-the force of attraction |
| velocity-rapidity of motion | weight-the amount of heavyness or mass |
| acceleration-a change in velocity | mass -a body of coherent matter |
| force-physical power or strength possessed by a living being | inertia-inertness, especially with regard to effort, motion, action, and the |
| newton-inertness, especially with regard to effort, motion, action, and the | |
| net force- |