The article taking into account the mechanical characteristics and technological resistances of the operator of a tillage machine with a variable chain drive in the transmission mechanism, the problem of the dynamics of the machine unit with a degree of freedom equal to two is solved, and the laws of mass movement are determined.

Small business is one of the most important sectors of the national economy. At the same time, small businesses play an important role not only in the national economy, but also in the social sphere. The article considers the nature of the organizational structure of the activities of small businesses and makes recommendations.