16.1.8. The motor shaft is rotated with an angular velocity ω = 90 e-20t + 85 (1 + e-20t). Determine the principal moment of external forces acting on the shaft, at time t = 0,1 s, if the moment of inertia about the rotation axis is equal to 1 kg · m2.

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(Chapter 3 - Dynamics theme - 16.1: Differential equations of rotation of a rigid body around a fixed Hosea) 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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