1.
By applying a force F=(3xy5z)j^4k^\vec{F} = (3xy - 5z)\hat{j} - 4\hat{k}, a particle is moved along the path y=x2y = x^2 from point (0,0,0)(0, 0, 0) to the point (2,4,0)(2, 4, 0). The work done by F\vec{F} on the particle is