Hello, I don’t know much about physics and I am building a rack for my pickup truck. For my own safety, I need to know in how much load I can put on this rack. I drew up a diagram to clear up miscommunication for whoever wants to solve that problem. It would be highly appreciated.(adsbygoogle = window.adsbygoogle || []).push({});

Distance CD is 6 feet

Distance AC and BD is 3 feet

Distance CJ and JD is 3 feet

Distance AE is 14 feet

Black diamonds are points where I would attach weight

All material Is A500 steel rectangle tube 4 inches by 2 inches with the 4 inch side drawn on the diagram. All contact points would be professionally welded.

I would like to know how much weight can I safely put on individual pressure points F, G and E and on the whole structure with the thickness of rectangular steel pipe being either 3/16 or 1/4 inch thick (I don't know yet which thickness to choose) I would be able to multiply the answer by 2 and get the total weight I can apply to both sides because the other side is the exact copy of first one.

Thanks in advance for whoever decides to take on this problem.

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# Problem calculating structure strengh

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