Question: The friction force between a 2 2-m square sluice gate AB and its guides is equal to 10 percent of the resultant of the

The friction force between a 2 × 2-m square sluice gate AB and its guides is equal to 10 percent of the resultant of the pressure forces exerted by the water on the face of the gate. Determine the initial force needed to lift the gate that its mass is 500 kg.

5 m

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