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- 2. Torque (moment of a force) Which of these three forces is most likely to loosen the
- 3. Torque (moment of a force) The turning effect of a force F about a given axis
- 4. Example 1. ‘Opening doors’ A boy pulls on a door handle. A) Calculate the torque about
- 5. Principle of moments The principle of moments states that for a body to be in equilibrium:
- 6. Example 2. Family on seesaw A young girl wants to sit still with her mother and
- 7. Example 3. Equating moments A hinged trap-door of mass 15 kg and length 1.0 m is
- 8. Example 4 Find the moment of F about X in the diagram shown. Hint: redraw the
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