Solid Mechanics - Test your understanding

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Q1. Aluminium

Q2. Timber

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Solution 1

For aluminium alloy, the Young's modulus may be taken as 70 GPa and the yield stress as 190 MPa. Which one of the following is the closest estimate to the Limiting Slenderness Ratio for aluminium?

Solution 2

For hardwood timber, the Young's modulus may be taken as 10 GPa and the failure stress in compression as 6 MPa. Which one of the following is the closest estimate to the Limiting Slenderness Ratio for hardwood?