Question: A sliding gate 10 ft wide and 6 ft high is installed in a vertical plane and has a coefficient of friction against the guides

A sliding gate 10 ft wide and 6 ft high is installed in a vertical plane and has a coefficient of friction against the guides of 0.2. The gate weighs 3 tons, and its upper edge is 27 ft below the water surface. Calculate the vertical force required to lift the gate.

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