principle of moments
What principle of moments means in Mathematics A-Level, as defined for Pearson Edexcel, WJEC.
Definitions of principle of moments
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Reference: Pearson Edexcel
For a rigid body in equilibrium, the sum of clockwise moments about any point equals the sum of anticlockwise moments about that point.
The resultant turning effect about any chosen pivot is zero, so total clockwise moments equal total anticlockwise moments.
Topics that use principle of moments
- Moments (Pearson Edexcel A-Level)
- Moments (A2 Unit 4: Applied Mathematics B) (WJEC A-Level)
Related terms
- Equilibrium
- friction
- limiting equilibrium
- moment
- moment of a force
- normal reaction
- perpendicular distance
- translational equilibrium
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