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Moments

Moments. Basics . The turning effect of a force is called a moment. A moment depends on the size of the force and the distance between the action of the force and the pivot. . What is the moment in this example? . Write down the equation to calculate the momentum of a force?

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Moments

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  1. Moments

  2. Basics • The turning effect of a force is called a moment. • A moment depends on the size of the force and the distance between the action of the force and the pivot.

  3. What is the moment in this example?

  4. Write down the equation to calculate the momentum of a force? • What are the units momentum?

  5. Balancing • For an object not to be turning then then the total clockwise moments must equal the total anticlockwise moments.

  6. Explain numerically why person A and person B are balanced

  7. Calculate F

  8. Levers

  9. Toppling

  10. How can an object be made more stable? An object is more stable if a)      It has a large base b)      It has a low centre of mass (see other section).

  11. If the line of action of the weight of an object lies outside the base of the object there will be a resultant moment and the body will tend to topple.

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