The SI unit of Work is joule(J).
1 J of work is said to be done by a force of 1 N if it displaces a body by 1 m in the direction of the force.
1 Joule = 1 N x 1 m
The CGS unit Work is erg.
1 erg = 1 dyne x 1 cm
Since,
1 Joule = 1 Newton x 1 metre
Relationship,
1 Joule = 1 N x 1 m
= 10^5 dyne x 100 cm
= 10^7 erg
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