| 1. | Sometimes the names of units obscure that they are derived units.
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| 2. | An incomplete list of the fundamental and derived units appears below.
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| 3. | These derived units are defined in terms of the seven base units.
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| 4. | It is usually the more complex derived units that have special names.
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| 5. | There are two types of SI units, base units and derived units.
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| 6. | The second class consists of the SI derived units.
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| 7. | As an SI derived unit, it is used by most countries in the world.
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| 8. | The derived unit of speed is the knot, defined as one nautical mile per hour.
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| 9. | The SI derived unit is : kilogram per square metre ( kg�m " 2 ).
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| 10. | It incorporated fundamental units other than the metre, kilogram, and second in addition to derived units.
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