14.1.20
The body 1 is acted upon by a constant force F = 10Н. Determine the acceleration of this body at time t = 0.5 s, if the body 2 moves under it under the action of the internal forces of the system according to the equation x = cos? T. Weights of bodies: m1 = 4 kg, m2 = 1 kg. The bodies move forward. (Answer 2)