A) A thin 4-ft-wide, right-angle gate with negligible mass is free to pivot about a frictionless hinge at point O, as shown in Fig. (2). The horizontal portion of the gate covers a 1-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.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A) A thin 4-ft-wide, right-angle gate with negligible mass is free to pivot about a frictionless hinge at point
O, as shown in Fig. (2). The horizontal portion of the gate covers a 1-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.
Width - 5 ft
Right-angle gate
Water
Hinge
1-ft-diameter pipe
3 ft-
Fig.(2)
Transcribed Image Text:A) A thin 4-ft-wide, right-angle gate with negligible mass is free to pivot about a frictionless hinge at point O, as shown in Fig. (2). The horizontal portion of the gate covers a 1-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. Width - 5 ft Right-angle gate Water Hinge 1-ft-diameter pipe 3 ft- Fig.(2)
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