Why Do Reaction Forces Differ When Isolating Different Members in Statics?

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AdamMcParland
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Homework Statement


I found this question and thought the situation was quite an interesting one.[/B]
Plan view of four see-saws arranged in a square with overlapping ends, each pivot marked by a circle, sombreros shown as hatched blocks, and a dimension arrow labelled L and L/3 at the right.


Homework Equations


Seem to only be the 3 general equilibrium form of equations.

The Attempt at a Solution


The problem I encountered with this question was that when I isolated 2 or 3 members out of the system I got an answer for the reaction forces as W/3 but when I isolated only one plank, the equations suggested that the reaction forces were different at each point of contact. Has me mind boggled, all replies would be greatly appreciated, thank you![/B]
 

Discussion

Hi Adam,
1. Show your work. Perhaps someone sees where something goes awry.
2. Make is side view showing all the forces.