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Homework Statement
So referring to this lab , http://static3.mbtfiles.co.uk/media...ureate/physics/824297/html/images/image12.pngIn this lab you are holding the plastic tube and twirling it to make the small mass spin in a circle. Keep in mind there is a mass on the bottom.
I have to create an expression for Fc with theta and radius.
Homework Equations
Fc = 4pi^2rf^2 * m
The Attempt at a Solution
Well from the FBD of the small mass, we know that FC = FT
and from the FBD of the mass at the bottom we know that FT=FG.
Therefore for the system, wouldn't FC = FG of the mass on the bottom?
As for the equation i am not really sure were to start, could someone help me out please.