Problem 20
A right-circular cylindrical tank of height 10 \(\mathrm{ft}\) and radius 5 \(\mathrm{ft}\) is lying horizontally and is full of diesel fuel weighing 53 \(\mathrm{lb/ft}^{3}\) . How much work is required to pump all of the fuel to a point 15 \(\mathrm{ft}\) above the top of the tank?
Problem 36
Semicircular plate Calculate the fluid force on one side of a semicircular plate of radius 5 \(\mathrm{ft}\) that rests vertically on its diameter at the bottom of a pool filled with water to a depth of 6 \(\mathrm{ft}\) .