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The dimensions of four wires of the same material are given below. In which wire the increase in length will be maximum when the same tension is applied?

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Important Questions on Elasticity

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A crane with a steel cable of length 11 m and radius 2.0 cm is employed to lift a block of concrete of mass 40 tons in a building site. If the Young's Modulus of steel is 2.0×1011 Pa, what will be roughly the increase in the length of the cable while lifting the block? (Take g=10 m s-2 )
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The dimensions of four wires of the same material are given below. In which wire the increase in length will be maximum when the same tension is applied?