A force $\vec{F} = 5\hat{i} + 2\hat{j} - 5\hat{k}$ acts on a particle whose position vector is $\vec{r} = \hat{i} - 2\hat{j} + \hat{k}$. What is the torque about the origin?

Question

$8\hat{i} + 10\hat{j} + 12\hat{k}$

$8\hat{i} + 10\hat{j} - 12\hat{k}$

$3\hat{i} - 10\hat{j} - 8\hat{k}$

$4\hat{i} - 10\hat{j} - \hat{k}$

Solution

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