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wo persons hold a rope of negligible weight tightat its ends so that it is horizontal. A 15 kg weight isattached to the rope at the mid point which is nowno longer remains horizontal. The minimum tensionrequired to completely straighten the top is(1) 15 kg(3) 5 kg(2) 15/2 kg(4) Infinitely large |
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Answer» T be the tension in string. for equilibrium 2Tcoso = mg string will be straight if 0 = 90 degrees. and cos0 = 0 T= mg/2 coso . t=infinity |
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