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unknown user
01-02-1991, 12:36 AM
To Mike Whittle:

One of the advantages of the SI system of units is that the units of
measurement can usually be determined from the definition of the variable.
In the case of torque, the definition is the product of force and moment
arm (a distance) and hence the unit of measurement is the product of the
unit for force (N) and the unit for distance (m), hence N.m.

Roger Enoka
University of Arizona