Solution of task 17.3.15 from the collection of Kepe OE

Solution of task 17.3.15 from the collection of Kepe OE

17.3.15
Determine the reaction modulus of the hinge O, if the weight 2 with a mass m2 = 5 kg falls under the action of gravity with the acceleration a = 3 m / s2. The weight of block 1 is m1 = 10 kg, and its center of mass is located on the axis of rotation. (Answer 132)