A beam of length LLL has a load w(x)=xw(x) = xw(x)=x. What is the shear force V(x)V(x)V(x) if V(0)=0V(0) = 0V(0)=0?
x2/2x^2/2x2/2
x2x^2x2
xxx
L2/2−x2/2L^2/2 - x^2/2L2/2−x2/2