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motion and energy
| Term | Definition |
|---|---|
| speed | the distance and object travels per unit of time |
| velocity | speed in any given direction changing speed or direction changes it |
| distance | the length between two points |
| displacement | the length between starting and end points |
| motion | the state in which one object's distance is changing from another object |
| reference point | a place or object used for comparison to determine if an object is in motion |
| vector | a measurable quantity of both magnitude and direction |
| average speed | the overall average speed by which a object moves Equation: A=Total distance/ Total time |
| instantaneous speed | the speed of an object in one instant time |
| slope | the steepness of a line on a graph which is determined by its vertical change/horizontal change |