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Question

a steel wire is 1 m long and 1 mm2 in area of cross-section. If it takes 200 N to stretch this wire by 1mm, how much force will be required to stretch a wireof the same material as well as diameter from its normal length of 10 m to a length of 1002 cm?(1) 1000 (2) 200 N(4) 2000 N(3) 400 N

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Solution

99996185561-0-0

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