Moments
An object in equilibrium has no net force acting on it and no net moment (rotational equilibrium).

Moment = F d
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Key terms in this lesson
- Equilibrium
- An object is in equilibrium when the resultant force and the resultant moment acting on it are both zero.
More in Forces in Equilibrium
- Resolving Vectors
- Adding Two Perpendicular Vectors
- Equilibrium
- Three Forces in Equilibrium
- The Principle of Moments
- Centre of Mass
- Couples
- Stable Equilibrium
All 20 lessons in Forces in Equilibrium · All AQA AS-level Physics topics