Optimal Length for Triple-Segment Metal Rod Hanging | Torque Equations

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SUMMARY

The discussion focuses on determining the optimal length of the third segment (X) of a thin uniform metal rod bent into three perpendicular segments, with two segments of length L. The goal is to achieve equilibrium when the rod is supported by a hook, ensuring that the two horizontal segments remain stable. The key equation used is the torque equation, where the sum of torques (T1 = L, T2 = L, T3 = X) must equal zero for the system to be in balance.

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Homework Statement



thin uniform metal rod is bent into three perpendicular segments, two of which have length L . You want to determine what the length of the third segment should be so that the unit will hang with two segments horizontal when it is supported by a hook

u <--hook
L
---------
| L
|
----------------
x

Homework Equations



Torque = 0

The Attempt at a Solution



I tried to do three separate torques, T1 = L T2= L2 and T3 = X but i don't know how to solve
 
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I'm having trouble visualizing this.
 
its a backward C

the top and perpendicular part is length L and the bottom length X which is what we are looking for in terms of L

It looks like ______ <--- L
......|
......| <--- L
......|
________________|
...x...
 

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