1.2.2.1 Derived Units

SI unit

  1. The International System of Units (abbreviated SI from the French language name Système International d'Unités) is the modern form of the metric system. 
  2. It is the world's most widely used system of units, both in everyday commerce and in science.

Derived Unit

  1. The derived unit is a combination of base units through multiplying and/or dividing them.
  2. For instance,  Speed is defined as the rate of distance change, and can be written in the mathematic form

Example:
Find the derived unit of density.

Answer:

Unit of Density = kg/m3