A force F =6 +3 +6 k is acting at a point r =2 i -6 j -12 k . The value of α for which…
Physics · NEET · NTA Exams — Rotational motion
A force \(\vec{F}=6 \hat{\imath}+3 \hat{\jmath}+6 \hat{k}\) is acting at a point \(\vec{r}=2 \hat{i}-6 \hat{j}-12 \hat{k}\). The value of α for which angular momentum about origin is conserved is:
- 1
- -1
- 2
- zero
Answer
(D) zero
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