A force F = (2 N/m²)x² i is applied to a particle. Find the work done on the particle as it moves a total distance of 5 m 

(a) Parallel to the y axis from point (2 m, 2 m) to point (2 m, 7 m)

(b) In a straight line from (2 m, 2 m) to (5 m, 6 m).