(b) A particle under the action of a constant force \( F=3 \vec{i}+4 \vec{j}+\vec{k} \) is displaced from the point \( \vec{i}-3 \vec{j}+4 \vec{k} \) to \( 5 \vec{i}+\vec{j}-2 \vec{k} \). Calculate the work done by the force. (3 marks
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- Initial position vector: \(\vec{r}_1 = \vec{i} - 3\vec{j} + 4\vec{k}\) - Final position vector: \(\vec{r}_2 = 5\vec{i} + \vec{j} - 2\vec{k}\) Show more…
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