Question
Download Solution PDFA cantilever beam with span length L m carries a point load ‘w’ N at the free end. What will be the value of the resisting bending moment at the fixed end?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Consider a cantilever of length l carries a concentrated load ‘w' at its free end:
∵ Reaction at the fixed end will be equal to the net load on the beam, i.e., W.
So, the shear force at the fixed end is W (Upward) and at the free end, it is W (downward).
Taking moments about the section:
M =
The maximum bending moment occurs at the fixed end i.e. M =
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