A monkey of mass 40kg climbs up a rope of breaking load 600N, hanging from a ceiling. If it climbs up the rope with maximum possible acceleration, then the time taken by the monkey to climb up is:
(Length of the rope is 10m and g=10m/s2).
A
1s
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B
3s
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C
4s
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D
2s
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Solution
The correct option is D2s Monkey will climb up with maximum acceleration (a), when it pulls the rope with maximum force which is equal to breaking strength 600N. ∴ Rope will pull monkey upwards with maximum force of 600N.
i.e T=600N
FBD of monkey: