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4) The flow of water from a reservoir is controlled by a 5-ft-wide L-shaped gate hinged at point A, as shown. If it is desire
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Answer #1

Draw the schematic diagram of the configuration. 18ft 15ft 12 ftCalculate the area of the gate. A= wh Here, w is the width of the gate and n is the height of the gate. Substitute sit for wCalculate the resultant hydrostatic force. FR = yh. A Here, r is the specific weight of water. Substitute 62.41b/h for , 6ftTake algebraic sum of moments about point M,=0 Fx(S+y,)=W x AB Substitute 224641b for Fx, 3p for s, if for y, and of for AB.

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