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## Main Question or Discussion Point

I have been working with Physics for a while. I have recently come across a problem I could not solve efficiently. I have been designing a sliding door with 4 wheels with a rolling co efficient of 0.03. I thought that if I simply be using Force applied by door on all 4 wheels multiplied by friction I could find the force needed to push the door. However I just want to know if there are any other important factors I need to take into account (Im not sure how to incorporate Inertia)