railway RRB JE (CBT I + CBT II) Mock Test 2024 Strength of Materials Shear Force and Bending Moment Different Types of Beams
The general expression for the B.M. of a beam of length l is M = \({wl \over 2}x - {{wx^2} \over 2}\), the beam carries
1
a uniformly distributed load ‘w’ per unit length
2
a load varying linearly from zero at one end to w at the other end
3
an isolated load at mid span
4
None of these