Physics
What are the S.I. and C.G.S. units of work? How are they related? Establish the relationship.
Work, Energy & Power
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Answer
The S.I unit of work is Joule.
C.G.S unit of work is erg.
Relation between joule and erg:
1 joule = 1N × 1m
As we know, 1 N = 105 dyne and 1 m = 102 cm
Therefore,
1 joule = 105 dyne x 102 cm
⇒ 1 joule = 107 dyne cm
So, 1 joule = 107 erg.
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