Solution of task 2.6.15 from the collection of Kepe OE

Solution of task 2.6.15 from the collection of Kepe OE

2.6.15
A homogeneous ice rink 1 with a weight of 10 kN and a radius of 0.5 m is connected to a load 3, whose weight is 80 N, by a horizontal inextensible thread thrown over block 2. Determine the smallest rolling friction coefficient at which the roller will remain at rest. (Answer 0.008)