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unit2vocabrandypark
motionvocabwords
| Question | Answer |
|---|---|
| motion | a change in an objects position relative to a reference point |
| distance | the legnth an object travels |
| displacement | distance and direction of an objects change in position from the starting point |
| speed | distance an object travels per unit of time |
| velocity | the speed and direction of a moving object |
| reference point | an indicator that orients you indefinitley |
| vector quantity | both magnitude and direction |
| scalar | representative on a scale |
| quantity | a particular amount of something |
| constant speed | the rate of change of its position |
| average speed | total distance an object travels divided by the total time it takes to travel that distance |
| instantaneous speed | speed at any given time |
| acceleration | rate of change of velocity |
| deceleration | to decrease the velocity of |