QUESTION $1$

A $5\mathrm{.}5$ KN lawn roller is to be pulled over a curb as shown in the figure below. Determine the minimum pulling force that must be applied by the man to just start the $600$ mm diameter roller over the curb. Also determine the angle that gives the minimum pulling force. Assume that the pulling force is along the handle, which makes an angle of with the horizontal.

QUESTION $2$

The swimming pool shown below has a width of $3\mathrm{.}1$ m $.$ Determine the resultant hydrostatic force and locate the center of pressure on surface $\backslash ($ A B $\backslash )$ and $\backslash ($ B C $\backslash ).$