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STAAR Force & Motion
Force & Motion terms
| Term | Definition |
|---|---|
| Gravity | Attractive force; pulls only |
| Inertia | Resistance to change in motion |
| Speed | distance/time; how fast an object is moving |
| Velocity | distance/time; speed + direction |
| Acceleration | Changes in velocity |
| Distance/Time (Ex: m/s, km/h) | Units for speed |
| Balanced Forces | Does not change an object's motion |
| Unbalanced Forces | Changes an object's motion |
| Law of Acceleration | F = m x a |
| Law of Action/Reaction | Actions have equal & opposite reactions |