1.
A force F=(5i^2j^+3k^)\vec{F} = (5\hat{i} - 2\hat{j} + 3\hat{k}) N acts on a body of mass 2 kg and displaces it from (3i^+2j^k^)(3\hat{i} + 2\hat{j} - \hat{k}) m to (6i^4j^+2k^)(6\hat{i} - 4\hat{j} + 2\hat{k}) m. The work done is