21.2.1. The kinetic energy of the mechanical system is given by T = 14q12 + 2q22. Generalized coordinates q1 and q2 correspond to the generalized forces Q1 = 3q1, Q2 = 5 q2. Will the mechanical system to oscillate?

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(DYNAMICS, Chapter 21 - Small oscillations of mechanical systems, par - 21.2: The vibrations of systems with two degrees of freedom) 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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