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please tell me how to solve this one two personsare holding a massless ropetightly at its ends so that it is horizontal. a 15 kg weight is attached at its midpt which now no longer horizontal. the min tension required to completely straighten the rope is-(ans-infinite)
please tell me how to solve this one
two personsare holding a massless ropetightly at its ends so that it is horizontal. a 15 kg weight is attached at its midpt which now no longer horizontal. the min tension required to completely straighten the rope is-(ans-infinite)
Dear Zahid,
Let the rope make t angle with the vertical at the midpt. Then by equilibrium condition, 2Tcos(t) = mg. => T = mg/2cos(t). For rope to be completely horzontal, t = 90o. Then T = infinity.Please feel free to post as many doubts on our discussion forum as you can.we will get you the answer and detailed solution very quickly. All the best.Regards,Askiitians Experts,Gokul Joshi
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