A cantilever beam with a rectangular cross-section has a section modulus of 192 × 103 mm3 as shown in the figure, If the cantilever is subjected to a point load of 6 kN at the free end and the bending stress is not to exceed 50 MPa, find the span of the cantilever beam.
1
1.6 m
2
2.4 m
3
0.8 m
4
1.2 m