Three classes of lever

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Other lessons in this sub-strand

1. The turning effect of a force
2. Anti-parallel forces and everyday applications
3. Perpendicular distance when the force is at an angle
4. Clockwise and anticlockwise moments
5. Verifying the principle of moments
6. Centre of gravity and the weight of the beam
7. Like and unlike parallel forces
8. Three classes of lever
9. Stability and overturning
10. Solving mixed moment problems
11. The turning effect at work in Kenya