Stuck on Stress/compression/tension->pic included

[williamx11373]

Stuck on Stress/compression/tension----->pic included

http://i44.photobucket.com/albums/f46/maximus11373/1-1.jpg

All info is in the link above


I am stuck on the problem for the longest time.

What I do know is that bending will be at point B and compression at point A.

I just don't know how to calculate the stresses at those points

any advice will help.

 

[rock.freak667]

Well I can't recall the exact equation at the moment, but you need to look up the equation for bending stress of a curved beam.


EDIT: If I remember the equation correctly (I might be wrong but it looks something like this)

$$\sigma_b = \frac{M}{AR}[1+\frac{1}{m}\frac{y}{r+y}]$$

where m is constant for a particular cross-section

does that equation look familiar or do you use the equation that accounts for the position of the neutral axis?