Question

1. How can you differentiate between base and
derived quantities?
2. Identify the base quantity in the following:
(i) Speed (ii) Area (iii) Force (iv) Distance
3. Identify the following as base or derived quantity:
density, force, mass, speed, time, length,
temperature and volume.​

Answer 1

Fundamental Quantities are independent and don't depend upon other quantities for measurement. On the other hand, derived quantities depend upon other fundamental quantities for their measurement. for example: Mass is a fundamental physical quantity. It's SI unit is Kg.

Q3. Speed ( length and time )