Term
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Definition
| when an object changes its position relative to a reference point |
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Definition
| how far an object has moved |
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Term
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Definition
| distance and direction of an object's change in position from the starting point |
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Definition
distance an object travels per unit of time
speed= distance/time |
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Definition
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Definition
| speed that does not change over time |
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Definition
| speed that changes over time |
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Term
| Which is more common? Constant speed or changing speed? |
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Definition
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Term
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Definition
speed of motion when speed is changing
average speed= total distance/total time |
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Term
| Define: instantaneous speed |
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Definition
| speed given at any point in time |
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Term
| What displays motion of an object over time? |
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Definition
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Term
| What is plotted on the y-axis of a distance-time graph? |
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Definition
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Term
| What is plotted on the x-axis of a distance-time graph? |
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Definition
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Term
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Definition
| speed and direction of an object's motion |
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Term
| Why do we not notice the movement of the Earth's crust? |
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Definition
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Term
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Definition
change in velocity's rate
acceleration= change in velocity/time |
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Term
| Define: positive acceleration |
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Definition
| speed is increasing (exceleration) |
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Term
| Define: negative acceleration |
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Definition
| speed is decreasing (deceleration) |
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Term
| What causes a change in acceleration? |
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Definition
| change in speed and/or direction |
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Term
| Describe how to calculate change in velocity. |
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Definition
| final velocity-initial velocity |
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Term
| What unit is used to measure acceleration? |
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Definition
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Term
| What displays acceleration of an object over time? |
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Definition
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Term
| A velocity-time graph showing positive acceleration would have what kind of slope? |
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Definition
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Term
| A velocity-time graph showing negative acceleration would have what kind of slope? |
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Definition
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