Question

define moment of couple. write its SI unit

Answer 1

two equal , unlike , parallel forces , whose line of action of force os not the same constitute a couple. moment of couple is equal to the product of either of forces and the arm of couple. itz si unit is Nm

Answer 2

Moment of couple is equal to the product of the either force and the perpendicular distance between the line if action of both the forces . The SI unit is newton metre (Nm)