00835naa#a2200181#i#450# EN\\bibl\20111 20260628181745.7 20260625b2026####ek#y0engy0150####ca RU Experimental Determination of Friction Forces in the Study of the Laws of Rotational Motion Conference article/thesis Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2026 5 с. Conference article/thesis local Народное образование. Воспитание. Обучение. Организация досуга. 37 Теория и природа явлений. 53.01 D'yachenko Nataliya Vladimirovna Potapova Irina Aleksandrovna Hohlov Grigoriy Grigor'evich itt-pgups.ru