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Forces and Motion
| Term | Definition |
|---|---|
| Unbalanced Forces | Forces that are unequal in size and direction, that change an objects motion. |
| Friction | A force between two surfaces rubbing against each other; friction works against motion. |
| Energy | The ability to make things move or change. |
| Gravity | A force that pulls objects toward each other |
| Spring Scale | A tool used to measure force; A slinky like spring that can be stretched or compressed by a force. |
| Balanced Forces | Forces that act against each other and do not cause a change in motion. |
| Inertia | The tendency of an object to resist a change in motion; |
| Force | A push or pull. |
| Momentum | The measure of motion an object has determined by the objects mass and velocity. |
| Tension | State of being stretched tightly. |
| Velocity | The speed and direction an object is moving. |
| Newton | The unit that the strength of force is measured in. |