The shear stress in a beam varies from zero at the outer fibers to a

1.	The shear stress in a beam varies from zero at the outer fibers to a maximum at the________.
A.	Neutral surface
B.	Upper surface
C.	Lower surface
D.	None of these
Answer» B. Upper surface

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The shear stress in a beam varies from zero at the outer fibers to a maximum at the________.

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