Question

Name the CGS Unit of work. How is it related to SI Unit of Work?

Answer 1

Step1: CGS system

1. The centimeter–gram–second (CGS) system of units is a general variant of the metric system.
2. It is based on the centimeter as the unit of length, the gram as the unit of mass, and the second as the unit of time.

Step2: CGS unit of work

The CGS unit of work is erg.

Thus, the relationship between joule and erg may be given as:

$1Joule=1N\times 1m$

$1N={10}^{5}dyne$

$1m=100cm={10}^{2}cm$

Therefore, $1joule={10}^{5}dyne\times {10}^{2}cm$

Hence, $1joule={10}^{7}erg$

Therefore, the CGS unit of work is erg, and the relation between joule and erg is $1joule={10}^{7}erg$.