(2): Derived Quantities: <br /> ALL THOSE QUANTITIES WHICH CAN BE EXPRESS IN THE TERM OF BASIC QUANTITIES AS KNOWN AS DERIVED QUANTITES <br />MECHANISM OF Derived Quantities: <br /> (1): BY MULTIPLICATION OF BASIC QUANTITIES <br />EXAMPLE: L L=AREA &L L L=VOLUME <br />(1): BY DIVISION OF BASIC QUANTITIES <br />EXAMPLE: S T=VELOCITY <br />(3): BY BOTH <br />EXAMPLE: <br />UNIT: <br />THE STANDARD WITH WHICH THINGS ARE COMPARED AS KNOWN AS UNIT <br />TYPES OF UNITS <br />(1): BASIC UNITS <br />(2): DERIVED UNITS <br />(3): SUPPLEMENTRY UNITS <br />(4): COMMERCIAL UNITS OR PRACTICAL UNITS
