SI unit
- The International System of Units (abbreviated SI from the French language name Système International d'Unités) is the modern form of the metric system.
- It is the world's most widely used system of units, both in everyday commerce and in science.
Derived Unit
- The derived unit is a combination of base units through multiplying and/or dividing them.
- 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