Young's Modulus Question

  • Thread starter BoanviaFx
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  • #1
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Homework Statement


A nano-tube having cross sectional area A and length L extends ΔL when a force F is applied normally to one of the cross-sectional surfaces. Show that if N tubes are connected end-to-end the then Young's modulus of the fibre does not change.

Homework Equations




The Attempt at a Solution


Not sure how to answer this but:

Stress on the nano-tubes regardless of how much there are will not change. So force and cross sectional area would be a constant.

I'm assuming that the total length of lets say a wire, will extend proportional to its length. So the Strain will remain constant.

So the Young's modulus of the nano-tube will not change.
 

Answers and Replies

  • #3
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Thanks :) !
 

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