A Trough Has Vertical Ends That Are Equilateral Triangles with Sides

question 10

Multiple Choice

A trough has vertical ends that are equilateral triangles with sides of length 2 ft.If the trough is filled with water to a depth of 1 ft,find the force exerted by the water on one end of the trough.Round to one decimal place.(The weight density of water is 62.4 lb/ft³.)

• A) 31.2 lb
• B) 62.4 lb
• C) 12.0 lb
• D) 6.0 lb

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