Problem 1 - Axial Stress and Deformation (30 pts) Rigid platform
ABCis connected to wall
AEby the linear-elastic round bar
DE. Before the worker sits down on the seat, bar ABC was horizontal, and the system had the geometry shown. Determine the vertical disptacement of point
Cafter the worker sits down. Take: Diameter of bar
DEto be doer
=8.5minand
W=IkN. Bar DE is composed of A36 structural steel.