On bending of a beam, which is the layer which is neither elongated no

1.	On bending of a beam, which is the layer which is neither elongated nor shortened?
A.	Axis of load
B.	Neutral axis
C.	Center of gravity
D.	None of the mentioned
Answer» C. Center of gravity

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On bending of a beam, which is the layer which is neither elongated nor shortened?

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