• # question_answer  If a running boy jumps on a rotating table, which of the following is conserved? A)  Linear momentum        B)  KJEC)  Angular momentum        D)  None of these

Correct Answer: C

Solution :

The boy does not exert a torque to rotating table by jumping, so angular momentum is conserved i.e., $\frac{d\widehat{L}}{dt}=0\Rightarrow \overrightarrow{L}=$ constant.

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