19.3.13
The beam 1 of mass m1 = 200 kg lies on shafts 2 and 3, the moments of inertia of which with respect to the axis of rotation I1 = I2 = 0.1 kg · m2. Determine the force F that must be applied to the beam in order to tell it the acceleration a = 1 m / s2, if the radius r = 0.1 m (Answer 220)