9. A rectangular gate that is 2 m wide is located in the vertical wall of a tank containing water as shown below. It is desired to have the gate open automatically when the depth of water above the top of the gate reaches 10 m. (a) At what distance, d, should the frictionless horizontal shaft be located? (b) What is the magnitude of the force on the gate when it opens? Take y = 9.80 kN/m³ %3D

Q: Determine the required value for M in kg

A: h = 2.7 m d = 0.75 m width of the gate = 2 m. It is required to determine mass M of the cylinder.

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