Two persons are holding a rope of negligible weight tightly at its ends so that its horizntl.A 15kg weight is attached to the rope at the midpoint which now no longer remains horizontl.The minimum required tension to completely staighten the rope is (a)15kg (b)7.5kg (c)5kg (4)infinite

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Arun · Answer

let 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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Two persons are holding a rope of negligible weight tightly at its ends so that its horizntl.A 15kg weight is attached to the rope at the midpoint which now no longer remains horizontl.The minimum required tension to completely staighten the rope is (a)15kg (b)7.5kg (c)5kg (4)infinite

Two persons are holding a rope of negligible weight tightly at its ends so that its horizntl.A 15kg weight is attached to the rope at the midpoint which now no longer remains horizontl.The minimum required tension to completely staighten the rope is (a)15kg (b)7.5kg (c)5kg (4)infinite

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Two persons are holding a rope of negligible weight tightly at its ends so that its horizntl.A 15kg weight is attached to the rope at the midpoint which now no longer remains horizontl.The minimum required tension to completely staighten the rope is (a)15kg (b)7.5kg (c)5kg (4)infinite

Two persons are holding a rope of negligible weight tightly at its ends so that its horizntl.A 15kg weight is attached to the rope at the midpoint which now no longer remains horizontl.The minimum required tension to completely staighten the rope is (a)15kg (b)7.5kg (c)5kg (4)infinite

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