Solution of task 16.2.3 from the collection of Kepe OE
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16.2.3
The hoop flies in the vertical plane according to the equations: хс = 3 m, ус = 4 - 4,9t2, φ = 28 (1 - е-0,1t). At time t = 0.3 s, determine the value of the main moment of external forces acting on the hoop, if its moment of inertia is ICz1 = 0.113 kg · m2. (Answer -3.07 • 10-2)