A dam is inclined at an angle of 30° from the vertical and has the shape of an isosceles trapezoid 60 ft wide at the top and 30 ft wide at the bottom and with a slant height of 50 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.)
Added by Paul K.
Step 1
First, let's find the height of the dam. Since the dam is inclined at an angle of 30° from the vertical, we can use trigonometry to find the height. The opposite side of the angle is the height of the dam, and the hypotenuse is the slant height. Using the sine Show more…
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A dam is inclined at an angle of 30 degrees from the vertical and has the shape of an isosceles trapezoid 100 ft wide at the top and 50 ft wide at the bottom and with a slant height of 70 ft. /Find the hydrostatic force on the dam when it is full of water.
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