GATE 2013 : Mechanical Engineering
Q. A hinged gate of length 5 m, inclined at 30° with the horizontal and with water mass on its left, is shown in the figure below. Density of water is 1000 kg/m3. The minimum mass of the gate in kg per unit width (perpendicular to the plane of paper), required to keep it closed is
Options:
(A) 5000 (B) 6600 (C) 7546 (D) 9623
Ans: