Physics · 2020
NEET 2020 · 13 September · Code E1 · Q149
Find the torque about the origin when a force of 3 j N acts on a particle whose position vector is 2 k m.
Find the torque about the origin when a force of $\displaystyle 3 \hat{j} \mathrm{~N}$ acts on a particle whose position vector is $\displaystyle 2 \hat{k} \mathrm{~m}$ .
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle -6 \hat{i} \mathrm{~N} \mathrm{~m}$
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