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| a change in position or moving from one place to another in a certain amount of time |
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| Reference Point or Frame of Reference |
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| an object or background object from which movement is campared |
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basic SI unit of Length Km,meter, cm,mm |
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. the rate at which an object moves . measured by distance and time . units of speed are m/sec, km/hr, mph |
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divide the distance it traveled by the time it took to travel that distance speed= distance time |
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| speed that does not change |
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| Distance Time Graph for contant speed is |
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| the steeper the slope, the faster the speed |
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. the speed of a moving object is not always the same . divide the total distance by the total time . average speed = total distance time |
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| velocities of the same direction are combined by |
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| velocities of opposite direction are combined by |
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velocity = distance time with direction |
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a rate of change in velocity or the change in speed (up or down) and its direction during a given period of time |
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a decrease in velocity or slowing down . can be called negative acceleration |
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velocity that is always changing because the direction is always changing |
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final velocity - original velocity time |
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| acceleration is measured in |
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m/sec divided by sec labeled as m/sec/sec or m/sec2 |
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graphing acceleration - a distance - time graph is always |
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