Since work done W = F.S, its units are force times length. The SI unit of work is Newton-meter (Nm). Another name for it is Joule (J).
1 Nm = 1 J
The unit of work in cgs system is dyne cm or erg
Note that 1 J = 107 ergs.
The dimensional formula of work is [ML2T-2]
System |
Unit of work |
Name of the combined unit |
|---|---|---|
SI |
Newton meter (Nm) |
Joule |
cgs |
Dyne centimeter (dyne-cm) |
Erg |