This seems like it would be pretty simple and I apologize if this is in the wrong area, here goes.(adsbygoogle = window.adsbygoogle || []).push({});

Picture a flat disc. It is supported by a pin or marble in the center. There are no forces acting on it.

Now at 0 deg, I apply a force F (all forces are a distance equal from the center), resulting in a force -F at 180 deg. Simple enough.

Then if I apply an equal force N at 180 deg, the disc becomes flat again, or balanced.

If I apply another N force to the 90 deg position, my disc again goes out of balance, tipping up at 270 deg. I think this becomes out of balance equal to when I placed the first force on the disc because the first two forces with the marble, creates a line and a fulcrum.

So now I place 4 forces 90 deg apart, and it is balanced. Then add another force at 45 deg. This would cause the disc to want to raise at the 315 deg but I would think that it would not have the same effect as the first force.

I am looking for a formula or algorithm that I can input forces around a circle at different angles and calculate the out of balance force and angle.

Any information and help would be appreciated.

Ron

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# Balance Forces on a Disc

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