calculus
posted by Sammy .
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.

dBM/dx=3010x=0
x=3m
BM(max)=f(x)=30*35(9)=35kNm