Solve the following :


Suppose the entire system of the previous question is kept inside an elevator which is coming down with an acceleration $\mathrm{a}<$ g.Repeat parts (a) and (b).



In elevator, moving down with acceleration a, effective acceleration will be

$g_{\text {eff }}=g-a$

So, replace $g$ by $g_{\text {eff }}$ in above answers.


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