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At the proportional limit, an alloy bar of 200 mm gage length and 15 mm diameter has elongated...

Question:

At the proportional limit, an alloy bar of 200 mm gage length and 15 mm diameter has elongated 0.90 mm and the diameter has been reduced 0.022 mm. The total axial load is 62.6 kN. Determine the following properties of the material: (a) elastic modulus, (b) Poisson's ratio, and (c) Proportional limit.

Hooke?s Law:

The law is defined for the elastic material. Almost all the material behaves as elastic material upto a certain point that is the elastic point. The limit upto which elastic behavior of the material exhibit is called the proportional limit.

Answer and Explanation: 1

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(c)

Given Data:

  • The gage length of rod is: {eq}L = 200\;{\rm{mm}} {/eq}.
  • The diameter of the rod is: {eq}d = 15\;{\rm{mm}} {/eq}.
  • The change in...

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Hooke's Law & the Spring Constant: Definition & Equation

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Chapter 4 / Lesson 19
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After watching this video, you will be able to explain what Hooke's Law is and use the equation for Hooke's Law to solve problems. A short quiz will follow.


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