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## Main Question or Discussion Point

With reference to this web page http://principles.ou.edu/earth_figure_gravity/index.html [Broken]

I calculate the force of gravity tangential to the long axis of a cylinder to be proportional to 4GM/R where M is the mass per unit length of the cylinder. Does that seem correct?

I calculate the force of gravity tangential to the long axis of a cylinder to be proportional to 4GM/R where M is the mass per unit length of the cylinder. Does that seem correct?

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