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Question
The diagram shows wheel O pivoted at point A. Three equal forces F1, F2 and F3 act at point B on the wheel.
- Which force will produce maximum moment about A?
- Give a reason for your answer in (a).
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Solution
- About point A, force F1 would result in the maximum moment.
- F1 has the greatest distance between the point of application of force and A. As a result, the maximum moment of force would be produced.
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