Question

SI unit of moment of couple is _________

• A. $N^{2}m$
• B. $Nm$
• C. $N{m}^2$
• D. $N/m^2$

Answer 1

The correct option is B $Nm$

Couple is defined as the action of parallel equal and opposite forces acting about two different axis. Couple has the same SI unit as that of torque.

SI unit of couple is $Nm$.