A wire (Y = 2 10^11 Pa) of length 2 m and area 1 10^-6 m^2 carries 100 N. Its extension is:

  1. 2 mm
  2. 1 mm
  3. 10 mm
  4. 0.1 mm
Answer

B) 1 mm

e = FlYA = 0.001 m = 1 mm. SLO P-11-B-24 · Application

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