Solving a problem in physics section 48 point 14 mechan

Solving a problem in physics section 48 point 14 mechan

14. Carbon steel wire of length l = 1,5 m and a diameter d = 2,1 mm suspended load mass m = 110 kg. Taking the steel Young´s modulus E = 216 GPa and the proportional limit σn = 330 MPa, determine: 1) what proportion of the original length of the elongation of the wire at the same shipment; 2) the applied voltage exceeds the proportional limit or not.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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