The bending moment M of the beam is given by dM/dx= -w(l-x) where w is a constant

Question

Determine of M. Given M = ½ wt^2 when x=0

Answer 1

dM/dx = -w(l-x)
M = w/2 (l-x)^2 + C
now plug in M(0) = 1/2 wt^2 to find C