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motion
sec. 1 and 3
| key terms | definition |
|---|---|
| motion | the state in witch one object's destance from another is changing. |
| reference point | a place or object used for comparison to determin if an object is in motion |
| international system of units | (SI) a system of measurment based on multiples of ten and on established measures of mass, length, and time. |
| meter | the basic SI unit of langth |
| speed | the distance an object traviles in one unit of time. |
| velocity | speed in a given direction. |
| acceloration | the rate at wich velocity changes |
| how is the motion of an object determined? | by its change of position to a reference point. |
| how do you determine speed for an object that moves at a constant pace? | its speed can be determaned by dividing the distance it traviles by the time its taken |
| how do you determine speed of an object were the speed varies? | if the object's speed varies, then dividing destance by time gives you the object's average speed |
| how do you describe the object's velocity? | (blank) |
Created by:
croppp
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