- #1

hideki

- 6

- 0

## Homework Statement

Hi, this is my first time posting so I hope you can see the attachment.

## Homework Equations

Hoop stress = pr/t

Longitudinal stress = pr/2t

## The Attempt at a Solution

I am stuck on part a), afterwards I think I should be fine.

I am guessing you can "add" axial stresses induced by the 30kN force...but I'm not sure? In this case I have:

Circumferential stress = pr/t = 26.25MPa [Tension]

Longitudinal stress = pr/2t - 2 * (F/A) = -285.29Mpa. [compression]

The longitudinal stress is large which leads me to believe I have done something wrong.

Any help or clarification would be greatly appreciated.