rotational-motion

Question: What is the torque of the force $\overset{\to }{\mathop{F}}\,=(2\hat{i}-3\hat{j}+4\hat{k})N$ acting at the pt. $\overset{\to }{\mathop{r}}\,=(3\hat{i}+2\hat{j}+3\hat{k})\,m$ about the origin

1) $-17\hat{i}+6\hat{j}+13\hat{k}$

2) $-6\hat{i}+6\hat{j}-12\hat{k}$

3) $17\hat{i}-6\hat{j}-13\hat{k}$

4) $6\hat{i}-6\hat{j}+12\hat{k}$

Solution:

Explanation: No Explanation

torque couple

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