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Definition
| a place or object used to determine if an object is in motion |
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Definition
| a force that acts when two surfaces rub together |
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Definition
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Definition
| the speed and the direction an object is moving |
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Definition
| a change in the position of an object |
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Definition
| the rate at which an object changes position |
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Definition
| the change in one object’s position compared with another object’s position |
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Definition
| a change in speed OR direction |
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Term
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Definition
| your point of view that determines which objects are moving |
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