14.20 The beams of cross sections shown are subjected to a total shear force of 20 KN. Determine the shear stress at the neutral axis (X-X axis).

Elements Of Electromagnetics
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Answer is RA = 12.45 and RB = 12.55 not sure how to get there.
Section 14.6 Shear Stresses in Structural Members
14.20 The beams of cross sections shown are subjected to a total shear force
of 20 kN. Determine the shear stress at the neutral axis (X-X axis).
Problem 14.20
120 mm
X
80 mm
(a)
X
X
(b)
X
120 mm
Transcribed Image Text:Section 14.6 Shear Stresses in Structural Members 14.20 The beams of cross sections shown are subjected to a total shear force of 20 kN. Determine the shear stress at the neutral axis (X-X axis). Problem 14.20 120 mm X 80 mm (a) X X (b) X 120 mm
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