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Terminal Velocity

In a two-dime...

Question

In a two-dimensional stress system, the radius of the Mohr's circle represents.

A

maximum normal stress

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B

minimum normal stress

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C

minimum shear stress

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D

maximum shear stress

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Solution

The correct option is D maximum shear stress
Mohr's circle is the locus of normal and shear stress on an element with the changing angle of plane in 2-D case

The radius of Mohr's circle is equal to maximum shear stress.
$r = τ_{max} = \frac{(σ_{1} - σ_{2})}{2}$

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