(Solved): Calculate the work done by friction as a 3.1kg box is slid along a floor from point A to point B ...

Calculate the work done by friction as a $3.1\mathrm{kg}$ box is slid along a floor from point $A$ to point $B$ in the figure along paths 1,2 , and 3 . Assume that the coefficient of kinetic friction between the box and the floor is 0.15 . (Figure 1) Enter your answers numerically separated by commas. Express your answers using two significant figures.