1.
A force of magnitude 30 N30\,\text{N} acting along i^+j^+k^\hat{i} + \hat{j} + \hat{k} displaces a particle from point (2,4,1) m(2, 4, 1)\,\text{m} to (3,5,2) m(3, 5, 2)\,\text{m}. The work done during this displacement is