howeverm the matter is compicated by the fact that several units can describe the same quantity, e.g., we can measure length by inches, centimeters, meters, yards, kilometers, miles etc. in order to aviod world-wide confusion, scientists decided to settle on a certain set of units to express basic quantities - the so-called fundamental units The Fundamental Units Mass - kilogram (kg) Length - meter (m) Time - second (s) Temperature - Kelvin (K) Charge - Coulomb (C) All other units are combinations of these units and are called &quot;derived&quot; units.
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to settle on a certain set of units to express basic quantities - the so-called fundamental units The Fundamental Units Mass - kilogram (kg) Length - meter (m) Time - second (s) Temperature - Kelvin (K) Charge - Coulomb (C)
on a certain set of units
basic quantities
combinations of these units
the same quantity