Question: A dam across a Maine river is going to be dismantled. Its original dimensions above the water on the downriver side of the dam

A dam across a Maine river is going to be dismantled. Its original dimensions above the water on the downriver side of the dam are shown below. On the upriver side of the dam, the water level reaches the dam's top. height above downriver water level (meters) Dam Original Dimensions C. a. What is the total water force on the dam? na 2 -18-16-14-12-10-8--6-4-2 0 2 4 6 8 10 12 14 16 18 width (meters) b. The engineers are going to dismantle the dam from the top down. If they remove 0.6 m from part of the top of the dam and wait for the excess water to flow out, what is the resulting, new total water force on the dam? Assume that the water outflow does not change the downriver water level. What is the resulting dam pressure decrease from lowering the water level by 10%?

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