Poisson's Ratio: Definition & Equation


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question 1 of 3

Poisson's Ratio is a ratio of _____.

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An aluminum rod of length 10 inches underwent an axial compression, and was reduced in length to 9.5.

If the radius of the rod increased from 2 inches to 2.3 inches, what is the Poisson Ratio of aluminum?

2. If Poisson's ratio for granite is 0.18, and a cube of granite is compressed in the z-direction by 1%, how much should we expect it to expand in the direction x/y directions?

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About This Quiz & Worksheet

In order to check your understanding of Poisson's ratio, work through this quiz/worksheet combo. For the quiz, you need to know how to use this ratio.

Quiz & Worksheet Goals

Use these materials to see what you understand about:

  • The meaning of a positive Poisson Ratio
  • Why an elastic band becomes thinner at the center when stretched
  • Applying Poisson's Ratio in problems

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the lesson on Poisson's Ratio
  • Knowledge application - use your knowledge to answer questions about applying Poisson's Ratio in different examples
  • Information recall - access the knowledge you have gained about the meaning of Poisson's Ratio

Additional Learning

If you would like to review more about this ratio, go through the available lesson called Poisson's Ratio: Definition & Equation. This lesson lets you:

  • Determine what stress is an indicator of
  • Identify the equation for Poisson's Ratio
  • Practice using Poisson's Ratio