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I am working on some homework and I am having a problem with a question that involves torque. Here is the question.

A 62.5 kg painter stands 1.35 m from one end of a 45.0 kg scaffold that is 4.50 m long. He has a 11.0 kg supply of paint 1.00 m from the end he is nearest to. Find the reaction forces at the supports if the scaffold is supported at each end.

I have no idea how to set this problem up once I get the weights of each of the objects.

I understand that because the scaffold is in equilibrium that the sum of forces are equal to zero. I just have no idea where to go next.

Any help would be greatly appreciated.

Thanks a lot!