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A cantilever beam of span 2.5m carries three point loads of 1kN, 2kN, and 3kN at 1m, 1.5m, and 2.5m from the fixed end. Draw S.F.D. and B.M.D.
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I. To calculate reaction at support A

ΣFy=0

RA123=0

RA=6kN

II. SF calculation:

SFatA=+6kN

CL=+6kN

CR=+61=5kN

DL=+5kN

DR=+52=3kN

BL=+3kN

B=+33=0(ok)

III. BM calculation:

BM at B=0B is free end. D=3×1=3kNmC=3×1.52×0.5=5.5kNmA=3×2.52×1.51×1=11.5kNm

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