Given: mechanism consists of 3 members: (1) block 1 of mass m1=7kg; (2) wheel 2 – non-homogeneous disk of mass m2=12kg with radii R2=44cm, r2=18cm and radius of inertia ρ2=16cm; (3) wheel 3 – homogeneous disk of mass m3=13kg and radius R3=23cm,.
Mechanism is moving in vertical plane from the state of rest under the action of only gravity forces.
Find: absolute value of acceleration of block 1 (in m/s2). a1=?