Solution of task 17.2.11 from the collection of Kepe OE

Solution of task 17.2.11 from the collection of Kepe OE

17.2.11
A thin uniform rod with a mass m = 5 kg rotates with a constant angular velocity ω = 100 rad / s. Determine the projection of the vector of the principal moment of the inertia forces on the Ox axis, if the angle α = 45 °, the size l = 0.25 m (Answer -521)