- #1

fonseh

- 529

- 2

## Homework Statement

In the following example , the secant equation circle part) is used to find the max stress when the whole thing is subjected to force P before buckling , am i right ?

Why the author wrote it as the yielding equation ? And why the author use 2 equation for yy axis ?

## Homework Equations

## The Attempt at a Solution

IMO , there green circle part is worn g, and the equation not exist at all , because the P is loaded eccentrically from yy axis