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JEE PHYSICS MCQ: SYSTEM OF PARTICLES

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Given that force (5i^+7j^−3k^)N(5 \hat{i}+7 \hat{j}-3 \hat{k}) \mathrm{N} acts on a particle at position (i^+j^−k^)m(\hat{i}+\hat{j}-\hat{k}) \mathrm{m}. Find torque of this force on the particle about origin.
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Correct option: A
4i^−2j^+2k^4 \hat{i}-2 \hat{j}+2 \hat{k}
Option A (4i^−2j^+2k^4 \hat{i}-2 \hat{j}+2 \hat{k}) is correct because it results from the correct cross product calculation of the position vector and the force vector.

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