A thin 5-ft-wide, right-angle gate with negligible mass is free to pivot about a frictionless hinge at point O, as shown in the figure b The horizontal portion of the gate covers a 2-ft diameter drain pipe, which contains air at atmospheric pressure. Determine the minimum water depth, h, at which the gate will pivot to allow water to flow into the pipe. Assume w-5 ft, D-2 ft, L-2 ft. ft Width w Right-angle gate. Hinge. Water

Structural Analysis
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Chapter2: Loads On Structures
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A thin 5-ft-wide, right-angle gate with negligible mass is free to pivot about a frictionless hinge at point O, as shown in the figure below.
The horizontal portion of the gate covers a 2-ft diameter drain pipe, which contains air at atmospheric pressure. Determine the
minimum water depth, h, at which the gate will pivot to allow water to flow into the pipe.
Assume w-5 ft. D=2 ft. L=2 ft.
Width w
Right-angle gate.
Hinge
Water
D
Transcribed Image Text:A thin 5-ft-wide, right-angle gate with negligible mass is free to pivot about a frictionless hinge at point O, as shown in the figure below. The horizontal portion of the gate covers a 2-ft diameter drain pipe, which contains air at atmospheric pressure. Determine the minimum water depth, h, at which the gate will pivot to allow water to flow into the pipe. Assume w-5 ft. D=2 ft. L=2 ft. Width w Right-angle gate. Hinge Water D
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