Question

what is shape of the bending moment diagram in case of a uniformly distributed load over the entire length of beam

Answer 1

For a cantilever beam the shape of bending moment diagram for the entire length of the parabolic curve.  The magnitude of maximum bdmding moment diagram carrying uniformly distributed load over the entire beam is =(-wl^2)/2

Answer 2

According to the given statement, the shape of the bending moment curve will be a parabola as the equation for the uniform cantilever be formed to satisfy the given condition.

The following equation be formed -

                                          M = - (q x 2 ) / 2 .

This equation represent the parabolic path and thus the shape of the bending moment curve when constructed will be the parabola in nature.