Question: 1.b) A rectangular gate B shown in Fig. 2 below is 30 cm high, 60 cm wide into the paper, and hinged at the

1.b) A rectangular gate B shown in Fig. 2 below is 30 cm high, 60 cm wide into the paper, and hinged at the top, at point O. A stop is used to prevent gate B from turning in the counter clockwise direction. What water depth h will first cause the gate to open, i.e., to turn in the clockwise direction? Assume water density = 1000 kg/m. (24 Marks) Pressurized Tank Air at 10 kPa gage 0 Water Gate B a stop X 30 cm Fig. 2

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