2.108 A 4-ft by 3-ft massless rectangular gate is used to close the end of the water tank shown in Fig. P2.108. A 200-1b weight attached to the arm of the gate at a distance l from the frictionless hinge is just sufficient to keep the gate closed when the water depth is 2 ft, that is, when the water fills the semicircular lower portion of the tank. If the water were deeper, the gate would open. Determine the distance e.
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Негізгі бет 2.108,. If the water were deeper, the gate would open. Determine the distance l
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