First slide

Elastic Modulie

Question

For a given material, the value of f is 2.4 times that of $η$ . Its Poisson's ratio is:

Easy

A

2.4
B

1.2
C

0.4
D

0.2

Solution

$Y = 2 η (1 + σ) \Rightarrow 2.4 η = 2 η (1 + σ) \Rightarrow σ = 0.2 .$

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