How much force is required to have an increase of 0.4% in the length of a matellic wire having radius of 0.2mm
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A metallic wire has a radius of 0.2 mm How much force is required to increase its length by 0.2%? CY 9.0x 1010 N/m2 13. (UPB 2014) Ans. 22.608 N 2.
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