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## Homework Statement

In a certain structure, the cables C1, C2, and C3 (Figure) can each carry a weight of 100kg, and C4, C5, and C6 can each carry 50kg. Weights are suspended at R, S, and T.

What is the maximum total weight the structure can carry?

PS1: (Ignore the weight of the structure itself).

PS2: (The distances are in red).

It's important to tell that this problem requires a linear programming solution but I just want to know about the physics concepts behind the problem.

Any help would be good for me.

Thanks in advance!

## Homework Equations

Here goes the figure

[PLAIN]http://img692.imageshack.us/img692/3176/systemd.png [Broken]

## The Attempt at a Solution

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