7.1 Exercise 3

Find the work done by the same force in the example over a cubic path, $y = \left(0.25 \text{m}^{−\text{2}}\right) x^{3}$, between the same points $A = \left(0 , 0\right)$ and $B = \left(2 \text{m}, 2 \text{m}\right) .$