Solution of task 14.1.11 from the collection of Kepe OE

Solution of task 14.1.11 from the collection of Kepe OE

14.1.11
A pulley 2 of radius R = 0.2 m, rotating with an angular acceleration? 2 = 10 rad / s2, raises a uniform cylinder 1 with a mass m = 50 kg.
Determine the modulus of the principal vector of external forces acting on the cylinder. (Answer 50)

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