alleryStart learning →For a simply supported beam of length L with uniformly distributed load (UDL) w, the maximum bending moment is:
AwL/4
BwL²/8 at midspan
CwL²/2
DwL/2
Answer & Solution
Correct answer: B. wL²/8 at midspan
Simply supported beam, UDL w (per unit length): reactions = wL/2 each.
Shear varies linearly from +wL/2 to -wL/2. Bending moment is parabolic, maximum at midspan = wL²/8. Maximum SF at supports = wL/2.
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