# calculus

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The bending moment (BM) along a beam BM = 30x -5x2 kNm where x is the distance in metres from the left hand end.

Find the position and value of the maximum bending moment.

• calculus -

dBM/dx=30-10x=0
x=3m
BM(max)=f(x)=30*3-5(9)=35kNm

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