# Poisson's Ratio: Definition & Equation

Instructions:

question 1 of 3

### Poisson's Ratio is a ratio of _____.

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### 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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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

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
Final Exam
Introduction to Engineering
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