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chetzread
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Homework Statement
When an element of material is subjected to pure shear stress , equlibrium requires that equal shear stress must be developed on four faces of an element .
Homework Equations
The Attempt at a Solution
I can't understand the statement . I assume the 'element ' is cubic ... When the element is subjected to pure shear stress , equal shear stress must be developed on all six surfaces of element , right ? [/B]