Download Problem 1 A 40-kg inclined rectangular gate - Rose

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Problem 1
A 40-kg inclined rectangular gate, smoothly hinged at Point A, is
1 m wide (dimension into the page) and 2 m long. It is held in
place by a horizontal cable as shown in the diagram below. The
reservoir on the left is filled with water (ρ = 1000 kg/m3). The
right side of the gate is exposed to the atmosphere.
60°
cable
Find the force in the cable needed to keep the gate in place.
1.5 m
A
Inclined gate
2.0 m