Question: A B is one edge of a rectangular water gate hinged at B . Compute the weight w fastened to the center of

AB is one edge of a rectangular water gate hinged at B. Compute the weight "w" fastened to the center of the gate, is necessary barely to keep the gate from opening. The weight of the gate itself is 20 KN . Width of the gate is
1.5 m .
Answer in KN
A B is one edge of a rectangular water gate

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