14.1.15. 1 OA crank length = 0.25 m, uniformly rotating with angular velocity ω = 10 rad / s, the actuates the rocker 2, wherein m = mass of 5 kg. Determine the unit principal vector of the external forces acting on the rocker at a time when the angle φ = 60 °.

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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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