Question

What are the S.I. and C.G.S units of work? How are they related ? Establish the relationship.

Answer 1

The S.I. unit of work is Joule

The C.G.S. unit of work is erg.

Relation between joule and erg: 1 joule = 10⁷ erg

Explanation

We know that, 1 Joule = 1 N $\times$ 1 m

$\Rightarrow$ 1 J = 10⁵ dyne X 10² cm =10⁷ dyne cm

Hence, 1 joule = 10⁷ erg