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van duch unit 2
physical science unit 2 vocab
| Question | Answer |
|---|---|
| Motion | the action or processs of moving or being moved |
| distance | the length an object travel, measured in SI units of meters |
| displacement | distance and direction of an objects change in position from starting point |
| speed | rapidity of movement of action |
| velocity | the speed of somthing in a given direction |
| reference point | A basis or standard for evaluation, assessment, or comparison |
| vector quantity | quantities which possess 2 fundemental characteristics, namely maginitude and direction |
| scalar | having only magnitude, not direction |
| Quantity | the amount or number of a thing not usually estimated by spartial measurement |
| constant speed | when the speed of an object stays the same |
| Average speed | is your total distance taken by the tiume it took you to go that distance |
| instantaneous speed | is the speed at any given time |
| acceleration | increase in the rate or speed of somthing |
| deceleration | decrease in the speed or velocity of an object or reaction |