Solution of task 16.2.3 from the collection of Kepe OE

Solution of task 16.2.3 from the collection of Kepe OE

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)