Q: At what minimum acceleration should a monkey should slide a on rope whose breaking strength is 2/3 rd of its weight?
(a) 2g/3
(b) g
(c) g/3
(d) zero
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Ans: (c)
Sol: mg -T = ma …(i)
$ \displaystyle T \le \frac{2}{3}m g $
On putting the value of T in (i)we get
a = g/3