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Motion and Energy
Question | Answer |
---|---|
Motion | The state in which one object's distance from another is changing. |
Reference Point | A place or object used for comparison to determine if an object is in motion. |
Distance | The length of a path between two points. |
Displacement | The length and direction of a straight line between starting and ending points. |
Scalar | Having only magnitude; not direction |
Vector | A measurable quantity that consists of both a magnitude and a direction. |
Speed | The distance an object travels per unit of time. |
Velocity | Speed in a given direction. |
Acceleration | The rate at which velocity changes. |