Solution of task 19.3.20 from the collection of Kepe OE

Solution of task 19.3.20 from the collection of Kepe OE

19.3.20
Determine the modulus of force F, under the action of which the center C of a homogeneous solid roller 1 whose mass m1 = 20 kg, and radius r = 0.4 m, moves upward with constant acceleration aC = 1 m / s2. (Answer 128)