A fixed-ended 410UB53 beam spanning6000 mm supports two imposed concentrated forces (live loads) PQ at the third points and a uniformly distributed servicedead load (including the self-weight of the beam) of 10 kN/m, all of which are appliedto the top flange. The beam is fully restrained at both ends but is unbraced along its span. Determine the maximum magnitude of PQ that satisfies the ultimate strength limit state for flexural strength (i.e. do not check shear, bearing, deflection etc). To obtain the bending moment diagram, use standardresults from the Steel Designers' Manual or a similar reference.