Poisson\'s ratio (ν) is defined as the ratio of lateral strain to longitudinal strain.
What is Poisson's ratio?
Practice Questions
Q1
What is Poisson's ratio?
Lateral strain/Longitudinal strain
Longitudinal strain/Lateral strain
Stress/Strain
Strain/Stress
Questions & Step-by-Step Solutions
What is Poisson's ratio?
Step 1: Understand that when a material is stretched or compressed, it changes shape.
Step 2: Identify the two types of strain: longitudinal strain (change in length) and lateral strain (change in width).
Step 3: Longitudinal strain is how much the material stretches or compresses in the direction of the force applied.
Step 4: Lateral strain is how much the material changes in the direction perpendicular to the force applied.
Step 5: Poisson's ratio (ν) is calculated by dividing the lateral strain by the longitudinal strain.
Step 6: The formula for Poisson's ratio is ν = lateral strain / longitudinal strain.
Poisson's Ratio – Poisson's ratio (ν) is a measure of the proportional decrease in diameter (lateral strain) to the proportional increase in length (longitudinal strain) when a material is stretched.
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