Given: A rectangular tank 5 ft wide, 6 ft high,and 10 ft long contains3 ft of water and 2 ft of oil (SG = 0.85) above the water. Find: Calculate

the magnitude and location of FR on a vertical wall using the pressure prism approach. \gamma_{\text {water }}=62.4 \mathrm{lb} / \mathrm{ft}^{3}