14.1.11. Pulley 2 of radius R = 0.2 m, rotating with angular acceleration e2 = 10 rad / s2, raises homogeneous cylinder 1 whose mass m = 50 kg. Determine the unit principal vector of external forces acting on the cylinder.

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(Chapter 3 - Dynamics theme - 14.1: on the movement of the center of mass theorem) of Reshebnik to the collection of short tasks on the theoretical mechanics Kep OE, JA Viba, OP Grapis, JA Svetinysh et al. Publishing Moscow / Graduate School / 1989, 2009, 2012.
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