# example 8-2 - Example 8-2 A tank is filled with water to a...

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Example 8-2 A tank is filled with water to a depth of 11 ft. An opening in the bottom of the tank is covered by a rectangular gate 3 ft high and 2 ft wide. The gate is hinged at the bottom and held in place at the top by a wire cable, as shown. Calculate the tension in the cable. Atm Solution: Because atmospheric pressure acts on both sides of the gate, the resultant force on the gate is: sin RC Fgy A ρ θ = 3 lbm density(water, 70, 14.7) 62.3 ft TP == = = The centroid of a rectangular plate is in the middle, as shown in Table 4-1, therefore () 11 1.5 ft 9.5ft C y =− = Submerged

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example 8-2 - Example 8-2 A tank is filled with water to a...

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