Mathematics · Elasticity
Four identical hollow cylindrical columns of mild steel support a big structure of mass 50 × 103 kg. The inner and outer radii of each column are 50 cm and 100 cm, respectively. Assuming uniform load distribution, calculate the compression strain of each column. (Take Y = 2.0 × 1011 Pa and g = 9.8 m/s2)
- 17.07 × 10-4
- 23.60 × 10-8
- 32.60 × 10-7✓
- 41.87 × 10-3
Correct answer
2.60 × 10-7
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