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I have a system with a lever arm that's attached to a vertical support at its pivot point. The lever is pushed up by hand and is supported by a stay lid like in the image. I need to calculate the area and thickness of the arm and the column but the only numbers I have is the load attached to the end of the arm, the length of the arm and the height of the column. In all the examples I found on the web either the tensile strength or the stiffness of the beam is given. And I don't have any of these numbers yet. So, could you please help me figure out how to find the followings:

There is also an adjustable handle that will be attached to the pivot of the arm from the opposite side. I have some of that dimensions based on anthropocentric data but the minimum requirements of its arm to be able to stand pushing a 15kg machine is still missing and I'm not sure how I can calculate that.

- Dimensions of lever arm
- Dimensions of the support
- Locations of the the to ends of the stay lid on each arm.

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# Calculating the dimensions of a lever and a column

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