Refer to Figure 7.12a. Given: H = 12 ft, γ = 105 f ′ = 308, c ′ = 0, and β = 858. Determ...

Refer to Figure 7.12a. Given: H = 12 ft, γ = 105 f ′ = 308, c ′ = 0, and β = 858. Determine the Coulomb’s active force per foot length of the wall and the location and direction of the resultant for the following cases:

Figure 7.12