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The diagram below shows a circular 1 m diameter flat pen-stock gate hinged at O and inclined at 600. The water height above the

The diagram below shows a circular 1 m diameter flat pen-stock gate hinged at O and inclined at 600. The water height above the top of the gate is 5 m. The gate has a mass of 1000 kg, and its back face is exposed to the atmosphere. Calculate the force F required to keep the gate closed. (7 marks) Water 60 F 5m 1m

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