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Question about stress and strain

  • Thread starter hoyy1kolko
  • Start date
  • #1
10
0

Homework Statement


The elastic limit for a type of material is 1.6 x 10^8 Pa.Determine the minimum diameter if a wire which is made of this material so that it can support a load of 100N without the stress exceeding the elastic limit.


Homework Equations


elastic limit=stress
=F/A
1.6 x 10^8=100/ (pie)d^2
I can't get the answer.please help

The Attempt at a Solution

 

Answers and Replies

  • #2
Delphi51
Homework Helper
3,407
10
In your S = F/A formula, replace A with the area of the circular wire.
Solve for the radius or diameter.
Put in the numbers for S and F.
 

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