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Two persons are holding a rope of neglig...

Two persons are holding a rope of negligible weight tightly at its ends so that is horizontal. A 15kg weight is attached to the mid point which how no longer remains horizontal. The minimum tension required to completely straighten the rope is:

A

15 kg

B

`15//2` kg

C

5 kg

D

infinitely large

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The correct Answer is:
D
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