17.3.43. Homogeneous rectangular plate 2 kg rotates with the drum about a vertical axis with an angular velocity of ω = 10 rad / s. The plate rests on a horizontal bottom of the drum, drawing the points A and B on the cylindrical wall. Determine the reaction unit at point A, if r = 0,25 m.

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(DYNAMICS, Chapter 17 - The principle of D'Alembert, paragraph - 17.3: kientostatiki method for solid state and mechanical system) from 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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