A horizontal semi-circular beam of radius ‘R’ is fixed at the ends and carries a uniformly distributed load ‘W’ over the entire length. The bending moment at the fixed support is
1
\(\frac{{{\rm{W}}{{\rm{R}}^2}}}{4}\)
2
\(\frac{{{\rm{W}}{{\rm{R}}^2}}}{3}\)
3
\(\frac{{{\rm{W}}{{\rm{R}}^2}}}{2}\)
4
WR2