A block of mass $2\text{ kg}$ rests on a rough horizontal surface with friction coefficient $\mu = 0.4$. A horizontal force of $6\text{ N}$ is applied. Taking $g = 10\text{ m/s}^2$, the frictional force acting on the block is:
- A$8\text{ N}$
- B$2\text{ N}$
- C$6\text{ N}$
- D$0\text{ N}$