1.

If w is the displacement in z-direction, the linear strain component in is defined by __________

A. ( _Z= frac{ w}{ z} )
B. ( _Z= frac{ z}{ w} )
C. ( _Z= frac{dz}{dw} )
D. <sub>Z</sub>=z+w
Answer» B. ( _Z= frac{ z}{ w} )


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