Determine the maximum allowable weight of a load supported by chains.

AI Thread Summary
To determine the maximum allowable weight of a load supported by chains, it's essential to apply equilibrium equations effectively. A free body diagram (FBD) is crucial for visualizing the forces acting on the load and the chains. Isolating point A in the FBD can help clarify the role of the third chain in the system. Understanding the tension in each chain will enable accurate calculations of the load's maximum weight. Properly analyzing these forces ensures safe load management.
Lithlyrian
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Please help me figure out how to solve the attached problem.

I understand the equilibrium equations for 2 chains (http://www.glenbrook.k12.il.us/gbssci/phys/class/vectors/u3l3c.html ) but not for the third chain attached to the load.

Thanks-

Lith
 

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Draw a free body diagram and you will see how the 3rd chain comes in. Point A is a good place to isolate for a FBD.
 

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