Question: A triangular-shaped gate is hinged at point (A), as shown. Knowing that the weight of the gate is (100 mathrm{~N}), determine the force needed to

A triangular-shaped gate is hinged at point \(A\), as shown. Knowing that the weight of the gate is \(100 \mathrm{~N}\), determine the force needed to keep the gate at its position for unit width. The line of action of the weight of the gate is shown by the dashed line.

4.5 m Water 2.4 m 1 m A

FIGURE P3-80

4.5 m Water 2.4 m 1 m A

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