Solution of task 9.3.10 from the collection of Kepe OE

Solution of task 9.3.10 from the collection of Kepe OE

9.3.10
Points A and B of blocks 2 and 3 with fixed rotation axes have tangential accelerations a? A = 3 m / s2 and a? B = 1 m / s2. Determine the angular acceleration of the moving block 1 if its radius is R = 0.5 m (Answer -2)