A vertical rectangular gate 4 ft wide and 6 ft high, hinged at the top, has water on one side. What force applied at the bottom of the gate, at an angle of 45° with the vertical, is required to open the gate when the water surface is (a) at the top of the gate; (b) 3 ft above the top of the gate; (c) 3 ft below the top of the gate? Draw the free body diagram and show complete solution with brief explanation.
A vertical rectangular gate 4 ft wide and 6 ft high, hinged at the top, has water on one side. What force applied at the bottom of the gate, at an angle of 45° with the vertical, is required to open the gate when the water surface is (a) at the top of the gate; (b) 3 ft above the top of the gate; (c) 3 ft below the top of the gate? Draw the free body diagram and show complete solution with brief explanation.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A vertical rectangular gate 4 ft wide and 6 ft high, hinged at the top, has water on one side.
What force applied at the bottom of the gate, at an angle of 45° with the vertical, is required to open the gate when the water surface is (a) at the top of the gate; (b) 3 ft above the top of the gate; (c) 3 ft below the top of the gate?
Draw the free body diagram and show complete solution with brief explanation.
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