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Every result shows the formula and the working.

Mechanics

Stress & Strain

σ = F/A, ε = σ/E, ΔL = εL

Result

σ = 100 MPa, ΔL = 0.5 mm

Steps

  1. 1. σ = F/A = 10000 / 100 = 100 MPa
  2. 2. ε = σ/E = 100 / 200000 MPa = 5.000e-4
  3. 3. ΔL = ε × L = 5.000e-4 × 1000 = 0.5 mm