A force of $3.0\,\text{N}$ pulls a box along a floor. As shown, friction on the box is $1.0\,\text{N}$. What increase in kinetic energy does the box have after travelling $2.0\,\text{m}$?
- A$2.0\,\text{J}$
- B$4.0\,\text{J}$
- C$6.0\,\text{J}$
- D$8.0\,\text{J}$