Answer to Question #124515 in Mechanical Engineering for FAITH PHIRI

Mechanical Engineering

Question #124515

aluminium bar 600mm long with diameter 40mm,has a hole drilled in the centre of the bar ,the hole is 30mm in diameter and is 100mm long,if modulas of elasticity for aluminium is 85GN/m squared,calculate the contraction of the bar due to a compresssive laod of 180kN.

Expert's answer

The total deformation(reduction in the length) in the rod is given by superposition of individual deformation in the the solid and hollow section of the rod.

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