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A dam is inclined at an angle of 30° from the vertical and has the shape...

A dam is inclined at an angle of 30° from the vertical and has the shape of an isosceles trapezoid 160 ft wide at the top and 80 ft wide at the bottom and with a slant height of 110 ft. Find the hydrostatic force on the dam when it is full of water. (Round your answer to the nearest whole number. Recall that the weight density of water is 62.5 lb/ft3.)

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