Question 45
Equilibrium of ForcesThe unit of moment of a couple can be expressed in
- A.Nm
- B.Nm−1
- C.Nm2.
- D.Nm−2.
Show the answer and explanation
Answer: A (Nm)
Explanation
The moment of a couple is one force × the perpendicular distance between the forces, so its unit is newton × metre (N m).