Term
| To use a motion diagram, what do you need to know? |
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Definition
| Where the object is and when the object was at that position. |
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Term
| What do negative numbers indicate? |
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Definition
| They locate an event in space or time relative to an origin. |
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Term
| What is a position vector? |
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Definition
| An arrow from the origin to the point representing the object being studied. |
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Term
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Definition
| A single number (with a unit) that describes a physical quantity. |
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Term
| What can a scalar be (in terms of signs)? |
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Definition
| Positive, negative or zero. |
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Term
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Definition
| A quantity having both a size and a direction. |
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Term
| What is the magnitude of a vector? |
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Definition
| The size or length of a vector. |
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Term
| What does the Greek symbol Delta indicate? |
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Definition
| The change in a quantity. |
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Term
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Definition
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