Couple

Question

Two equal and opposite forces of magnitude 5 N act on a body at a perpendicular distance of 0.6 m. What is the moment of the couple?

RankGuru · Accepted Answer

1. **Definition**: A couple is a pair of equal and opposite forces whose lines of action do not coincide. It produces torque without net linear force.
2. **Moment Calculation**: $M = Force 	imes 	ext{Perpendicular distance between forces}$.
3. **Substitute**:
   - $M = 5 	ext{ N} 	imes 0.6 	ext{ m}$.
4. **Result**: $M = 3$ N·m.
5. **Note**: The moment of a couple is the same about any point in its plane.

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Couple

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