The set is included in a system of educational equipment L-micro and is used for the in demonstration of the basic laws studied a theme " Rotary movement "of physics course of base and profile levels of full high school, acquaintance of pupils to such concepts, as angular speed, centripetal force, centripetal acceleration. The set is applied at carrying out of demonstration experiments in conditions of a typical cabinet of physics of full high school and a cabinet of physics of primary and secondary vocational training establishments. The set is used for work at temperatures from +10 up to +35ºC, relative humidity of air up to 80 % at 25ºC. The basic specifications: - Size of a rotating frame: mm 460×305. - Frequency of frame rotation: sec 0.25-3.3. - Quantity of cargo: 3. - Length of a hanger with cargoes: mm 225. - Weight of cargo: kg 0.2; 0.2; 0.4. - Quantities of sensor impulses on 1 turn of a frame: 20. - Radius of a trap: mm 200. - Pressure of a feed: V - Service life: not less, than years Contents: - Unit of fastening to the basis: (in assembly) 1 piece. - Drive unit with the rotation frequency sensor: 1 piece. - Frame: 1 piece. - Hanger with a cargo of 0.2 kg 2 pieces. - Hanger with a cargo of 0.4 kg 1 piece. - Alarm device 1 piece. - Ball with a string and holder 1 piece. - Ball of steel 3 pieces. - Trap for balls 1 piece. - Dish with fixing arm 1 piece. - Bent pipe with funnel and clip 1 piece. - Spring with fixing rod 1 piece. - Clamp from a wire 3 pieces. - Measuring cable 1 piece. - Power supply and control unit 1 piece. - Bolt with a nut for fastening a frame 2 pieces. - Dynamometer 5 Н 1 piec