A wire of diameter 2 mm carries a load of 200 N. The stress in the wire is:

  1. 6.37 10^7 Pa
  2. 1.27 10^8 Pa
  3. 1.59 10^7 Pa
  4. 2.55 10^8 Pa
Answer

A) 6.37 10^7 Pa

A = pi r^2 = pi(0.001)^2 = 3.14 10^-6 m^2; sigma = F/A = 6.37 10^7 Pa. SLO P-11-B-24 · Application

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