Pipe $AB($outside diameter $=250\mathrm{.}00mm$; wall thickness $=7\mathrm{.}00mm)$ supports a uniformly distributed load of $w=8\mathrm{.}00k\frac{N}{m}.$ Determine the reaction forces at pin $A,$ the axial force in member $(1),$ and the normal stresses at points $H$ and $K,$ located $2\mathrm{.}55m$ above pin $A.(+=$ tension, $-=$ compression$)$

$Ax$

$kN$

ITr orie

$4$

$kN$

in

$kN$

O$.$

MPa

or

MPa