Appendix B
Notes on the Units of Measurement
For the measurement of any physical quantity, a unit of measurement is required. In physics and other sciences, there are many characteristic properties of the materials that have to be measured quantitatively and many systems of measurement have been devised. This multiplicity of systems causes great confusion in the minds of the concerned people. It is said that natural physics is easy to understand but man made physics (i.e., systems of measurement) is difficult.
The main systems of measurement are CGS (centimeter, gram, second) and MKS (meter, kilogram, second). MKS was further modified to MKSA by including ampere = A, as a fundamental unit. KSA system is also called S.I. system or Systeme International. ...
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