A steel wire of length 2.05m with circular cross section must stretch no more th

Question

A steel wire of length 2.05m with circular cross section must stretch no more than 0.230cm when a tensile (stretching) force of 440N is applied to each end of the wire. What minimum diameter is required for the wire, in mm? Take Young's modulus for steel to be Y = 2.00 A steel wire of length 2.05m with circular cross section must stretch no more than 0.230cm when a tensile (stretching) force of 440N is applied to each end of the wire. What minimum diameter is required for the wire, in mm? Take Young's modulus for steel to be Y = 2.00

Explanation / Answer

F/A = E dL/L

dL=0.23cm and L=2.05m F=440N andY = 2.00

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