(adsbygoogle = window.adsbygoogle || []).push({}); A rubber block is subjected to an elongation of 0.03in along the x-axis, and its vertical faces are given a tilt so that theta=89.3deg. Find epsilon_{x}, epsilon_{y}, and gamma_{xy}. v_{r}=0.5. The block is 4 in along the x-axis and 3 in along the y-axis.

My solution

epsilon_{x}= 0.03/4 = .0075 in/in

gamma_{xy}= pi/2 - theta = pi/2 - 89.3(pi/180) = .0122 rad

epsilon_{y}= - epsilon_{x}/v_{r}using Poisson's ratio = -.015 in/in

HOWEVER

The solutions states that

epsilon_{y}= - epsilon_{x}*v_{r}= -.00375 in/in

Why is this? This has been bugging me for three days

1. The problem statement, all variables and given/known data

2. Relevant equations

3. The attempt at a solution

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# Homework Help: Poisson's Ratio Need Not Apply?

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