Taiwan Mechanical Engineering Technologist Examination

Practice session

A vertical rectangular floodgate of width b = 2.0 m and height h = 3.0 m is submerged in water (density ρ = 1000 kg/m³, g = 9.81 m/s²) with its top edge flush with the free surface. What is the total resultant hydrostatic force acting on the gate and the vertical distance from the water surface to the center of pressure?

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