A flat isosceles triangular plate is submerged vertically, base up, 2 feet below the surface of a swimming pool. If the height of the triangle is 3 feet and its base is 4 feet, find the fluid force...

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Extracted text: A flat isosceles triangular plate is submerged vertically, base up, 2 feet below the surface of a swimming pool. If the height of the triangle is 3 feet and its base is 4 feet, find the fluid force against one side of the plate. The weight-density of water is 62.4 lbs/cubic inch.