Q$.$

e$\mathrm{.}9.$ The device shom in figure consists of horizontal beam ABC supported by $2$ vertical bars BDFCE. Bar CE is pinned at both ends. lout bar $BD$ is Fixed to tre foundation at it's lower end. The eross section are as of Bar $BD$ is $1020m{m}^2$ RCE is $520m{m}^2.$ The bars are made of steel. $E=205$ GP of Assuming that ABC is rigid.

find the maximum arlowable

load Pmax: if displacument of darr

$205{10}^3$mpa

$=2\mathrm{.}05{10}^5$mPa. $A$ is $1$ mm $.$

$=>$