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• (cur) (last) 10:33, 22 March 2010 Ian (Talk | contribs) (390 bytes) (New page: Vertically the forces on the tank are in equilibrium <math>\begin{align} & \uparrow \ R-mg=0 \\ & R=800\times 9\textrm{.}8=7840\ \text{N} \\ \end{align}</math> The maximum friction is ...)

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