1.

The torque of the force \[\overrightarrow{F}=(2\hat{i}-3\hat{j}+4\hat{k}\,)N\] acting at the point \[\overrightarrow{r\,}=(3\hat{i}+2\hat{j}+3\hat{k})\]m about the origin be [CBSE PMT 1995]

A.                 \[6\hat{i}-6\hat{j}+12\hat{k}\]
B.                             \[17\hat{i}-6\hat{j}-13\hat{k}\]
C.                 \[-6\hat{i}+6\hat{j}-12\hat{k}\]
D.                 \[-17\hat{i}+6\hat{j}+13\hat{k}\]
Answer» C.                 \[-6\hat{i}+6\hat{j}-12\hat{k}\]


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