Use the image below to answer the following questions. The dam's width is 0.8 ft, and $\gamma_{H_2O} = 62.4 lb/ft^3$
1) The resultant force on the left side of the dam, $F_{R,1}$, is ____ lb.
Ex: 1.1
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2) The resultant force's location $y_{R,1}$ is ____ ft.
Ex: 0.11
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3) The resultant force on the right side of the dam, $F_{R,2}$, is ____ lb.
Ex: 1.1
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4) The resultant force's location $y_{R,2}$ is ____ ft.
Ex: 0.11
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Incorrect
Since the wall is vertical, $y_{R,2}$ is vertical. $y_{R,2} = \frac{I_{xc}}{y_c A} + y_c$, where $I_{xc} = \frac{1}{12}ba^3$ and $A = ba$