Question: A 4 * 2-ft gate is hinged at A and is held in position by rod CD. End D rests against a spring whose constant

A 4 * 2-ft gate is hinged at A and is held in position by rod CD. End D rests against a spring whose constant is 828 lb/ft. The spring is undeformed when the gate is vertical. Assuming that the force exerted by rod CD on the gate remains horizontal, determine the minimum depth of water d for which the bottom B of the gate will move to the end of the cylindrical portion of the floor. 4 ft A 3 ft C B 2 ft D

4 ft A 3 ft C B 2 ft D

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