20.2.14. For cylinder 1 is attached a pair of forces with the moment M = 120 Nm and the friction torque Mtr = 10 Nm. By the end of an inextensible thread tied load 2 mass m2 = 40 kg. Choosing as generalized coordinates of the angle cp, determine the generalized force, if the radius R = 0,3 m.
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(DYNAMICS, Chapter 20 - Lagrange equation of the second kind, paragraph - 20.2: Generalized power systems with one degree of freedom) 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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