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Unformatted text preview: gate surface is x = y 2 /a D = 4m air at P atm air at P atm y 1 water air at P atm y 2 gate hinge water water + h = 9' Hemisphere R = 4' air at P atm g r 4. Determine the resultant hydrostatic force F on the triangular gate, which is hinged at the bottom edge and held by the reaction R T at the upper corner. Express F in terms of , h and W. Also determine the ratio R T /F. Neglect the weight of the gate. 5. Determine the minimum volume of concrete ( concrete = 23.6 kN/m 3 ) needed to keep the gate (1m wide) in a closed position, l = 2m. Note the hinge at the bottom of the gate. air at P atm air at P atm hinge l W hinge View AA water A A h h F water R T l Submerged concrete block hinge water stop gate g r g r air at P atm...
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 Spring '06
 wark
 Force, Gate, Patm, Patm hinge, Patm water, gate surface

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