Question

2.What are derived quantities? Write their expression and unit.​

Answer 1

Hello mate,

Those units or quantities that are taken from or obtained from fundamental units are called derived units.

Volume, density, velocity, acceleration, force, pressure, work and power are derived units.

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Answer 2

☆Explanation of derived quantities ☆

Derived quantities  are  the quantities that are calculated from two or more measurements.

These quantities are based on the Seven basic fundamental units .

For example area,volume,force,pressure,density etc... are the  derived quantities.

☆Unit☆

A derived unit is an SI unit of measurement derived seven basic units.

☆Expression ☆

1m.kg/s2

\sf 1\:m . kg/s^2