Multiple Choice
A gate in an irrigation canal is in the form of a trapezoid 3 feet wide at the bottom, 5 feet wide at the top, with height equal to 2 feet. It is placed vertically in the canal with the water extending to its top. For simplicity, take the density of water to be 60 lb/ft3. Find the hydrostatic force in pounds on the gate.
A) 360
B) 380
C) 440
D) 420
E) 400
F) 460
G) 500
H) 480
Correct Answer:
Verified
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