How to solve

In the figure, a constant horizontal force vec$(F{)}_{\text{a}\text{p}\text{p}}$ of magnitude $7\mathrm{.}0$ N is applied to a wheel of mass $13$ kg and radius $0\mathrm{.}24$ m $.$ The wheel rolls smoothly on the horizontal surface, and the acceleration of its center of mass has magnitude $0\mathrm{.}27\frac{m}{s^2}.($a$)$ What is the magnitude of the frictional force on the wheel? $($b$)$ What is the rotational inertia of the wheel about the rotation axis through its center of mass?