- #1

Kalie

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http://session.masteringphysics.com/problemAsset/1011118/16/SFL_pl_5.jpg

Consider a horizontal layer of the dam wall of thickness located a distance above the reservoir floor. What is the magnitude dF of the force on this layer due to the water in the reservoir?

The force of the water produces a torque on the dam. In a simple model, if the torque due to the water were enough to cause the dam to break free from its foundation, the dam would pivot about its base (point P). What is the magnitude tau of the torque about the point P due to the water in the reservoir?

Well on part A I found the pressure, vertical height above the floor of the reservoir

p(x)=pg(h-x) but I don't know what to do from there. There are no values so it is just letter variables