Q$2/$ A simply supported beam with a span of $7$ m and a section of $4060cm$ carries a live load of $10k\frac{N}{m}$ and dead load of $15k\frac{N}{m}($self$-$weight is not included$).$ If the available capacity $)$ is $800,$ is it enough to resist the factored moment Mu$?$ Knowing that $=0\mathrm{.}9$ and $=Wu.\frac{I^2}{8}.$