Задача id10674

Determine the force of the total water pressure on the flat shield blocking the channel, and the force that must be applied to lift the shield. The width of the channel is b = 1.8 m, the depth of the water in it is h = 2.2 m. The weight of the shield is G = 15 kN. The friction coefficient of the shield on the supports is f = 0.25 (Fig.).

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