19.2.10
A pair of forces with a constant moment M = 0.8 N • m drives the mechanism located in the horizontal plane. Cranks 1 and 2 are homogeneous rods of length I = 0.2 m and weight m1 = m2 = 1 kg, mass m3 = 2 kg. Determine the angular acceleration of the crank 1. (Answer 7.5)