The massive Three Gorges Dam on Chinas Yangtze River has height 185 m (Figure 16). Calculate the

Question:

The massive Three Gorges Dam on China’s Yangtze River has height 185 m (Figure 16). Calculate the force on the dam, assuming that the dam is a trapezoid of base 2000 m and upper edge 3000 m, inclined at an angle of 55◦ to the horizontal (Figure 17).

Reuters/STR/Landov FIGURE 16 Three Gorges Dam on the Yangtze River. 2000 m 550 3000 m FIGURE 17 185 m