Solution of task 18.1.9 from the collection of Kepe OE

Solution of task 18.1.9 from the collection of Kepe OE

18.1.9
The ball 1 rolls over the surface of a smooth stationary cylinder, and the ball 2 moves between two fixed cylindrical surfaces. Specify the number of the ball, on which the restraining link is imposed. (Answer 2)

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