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A force of 500kg.wt can break a wire . What is the force necessary to break another wire of same material and same length but of half the cross sectional area. |
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Answer» SOLUTION :`F_1//A_1 = F_2//A_2` but `A_2 = A_1//2` `THEREFORE F_1//A_1 = (2F_2)/A_1 therefore F_2 = F_1/2 = 250KG WT` |
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