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Q.

A monkey of mass 20 kg is holding a vertical rope. The rope can break when a mass of 25 kg is suspended from it. What is the maximum acceleration with which the monkey can climb up along the rope? 

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a

7 ms−2

b

10 ms−2

c

5 ms−2

d

2.5 ms−2

answer is D.

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Detailed Solution

 ⇒25×10=20a+20×10 ⇒a=25×10−20×1020 ⇒a=2.5 m/sec2

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