# [Mechanics of Materials][Stress Analysis]

1. Nov 7, 2007

### mit_hacker

1. The problem statement, all variables and given/known data

In the attachment, I am unable to get around question 5. Can someone please guide me? Thanks a ton for your time and effort!

2. Relevant equations

Equilibrium Conditions,
Deformation compatibility

3. The attempt at a solution

The deformation compatibility that I used is that since the problem is all symterical, the extension will be vertical and the deformation of the point A will be vertically downwards.

From equilibrium, we get, P = Fac + 2FCos$$\theta$$

Also, since the resultant deformation is downwards, we can also write the equation for the resultant deflection but without knowing the value of the net deformation, that equation is useless isn't it?

What do I do??

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