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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 |