Solution of task 14.1.10 from the collection of Kepe OE

Solution of task 14.1.10 from the collection of Kepe OE

14.1.10
A homogeneous equilateral triangle OAB of mass m = 5 kg rotates uniformly around the fixed axis.
Determine its angular velocity? If the main vector of external forces acting on it is 300H, and the length l = 0.4m.
(Answer 16.1)

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