%0 Conference Article %T Experimental Determination of Friction Forces in the Study of the Laws of Rotational Motion %A D'yachenko, N.V. %A Potapova, I.A. %A Hohlov, G.G. %K pendulum, moment of forces, sliding friction force, viscous friction force %J VII Betancourt International Engineering Forum %D 2026 %P 5 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"