A) g
B) \[\frac{3g}{4}\]
C) \[\frac{g}{4}\]
D) \[\frac{g}{2}\]
Correct Answer: C
Solution :
[c] Let T be the tension in the branch of a tree when monkey is descending with acceleration a. Then \[mg-T=ma\]; and \[T=75%\]of weight of monkey \[\therefore ma=mg-\left( \frac{75}{100} \right)mg=\left( \frac{1}{4} \right)mg\text{ or }a=\frac{g}{4.}\]
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