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physic chap2activy 1
vocab
| Question | Answer |
|---|---|
| friction | the force that cause a shopping cart to roll to a stop level ground |
| instantaneous | your speed at a specific moment in time |
| acceleration | the rate if change in speed or direction |
| intertiathe | tendency of an object to keep moving in a straight line at constant speed |
| average speed | total distance divided by total time |
| force | a push or pull |