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A tlexible chain of weight W hangs between two fixedpoints A & B which are at the same horizontal level.The inclination of the chain with the horizontal at boththe points of support is 0. What is the tension of thechain at the mid point ?(A)cos ece2(B) .tane2(C)cote2(D) none |
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Answer» 1/sin theta = cosec theta. so, Option A |
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