14.1.1. With the position of the center of mass of the mechanical system mass m = 50 kg is determined by the radius vector rc = 3i + 4j + 5k. Determine the static moment of the mass of the system with respect to the xy plane.

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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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