click below
click below
Normal Size Small Size show me how
Motion and Energy
| Term | Definition |
|---|---|
| Motion | Distance from another object is changing. |
| Reference Point | Place or object used for comparison. |
| Distance | Length of path between two points. |
| Displacement | Length and direction an object has moved. |
| Vector | A quantity that consists of both magnitude and a direction. |
| Speed | Distance an object travels in a unit of time |
| Average Speed | The average speed of an object was moving |
| Instantaneous Speed | The rate at which an object in moving at a given instant of time |
| Velocity | Speed in a given direction |
| Slope | The steepness of a line on a graph |
| Force | Cause of an object with mass to change its velocity |
| Gravity | The force that brings down things with mass towards the center of the earth |
| Acceleration | When something goes from 0 (mph) to a certain amount of speed |
| balanced forces | two equally magnitudes on opposite directions |
| unbalanced forces | two unequally magnitudes on opposite directions |
| time | the measurement of hiw long it takes for an bject to do something |
| friction | when 2 objects scrap against each other |
| chassis | the structure that supports the bottom of the car so everything doesn't fall off |