A wire (Y = 1 10^11 Pa) of length 1.5 m and area 2 10^-6 m^2 carries 300 N. Its extension is:

  1. 22.5 mm
  2. 2.25 mm
  3. 0.225 mm
  4. 4.5 mm
Answer

B) 2.25 mm

e = FlYA = 0.00225 m = 2.25 mm. SLO P-11-B-24 · Application

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