Question

Asked Sep 28, 2019

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A hollow copper pipe undergoes a 1% change in length under a tensile load. If the Young’s modulus of copper is 110 GPa, the pipe’s outer diameter is 2 cm and its wall thickness is 5 mm, what is the magnitude of the tensile load? Consider the whole change happening in the elastic region.

Step 1

We have been given the following data:

The percentage change in length of the hollow copper pipe, ΔL/L = 1% = 0.01.

The Young’s modulus of copper, E = 110 Gpa.

The outer diameter of the pipe, D_{o} = 2 cm.

The wall thickness, t = 5 mm.

Step 2

Calculate the inner diameter of the pipe and the cross-sectional area of the pipe.

Step 3

Calculate the tensile load by applying the longitudinal stres...

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