Solution of task 17.1.14 from the collection of Kepe OE

Solution of task 17.1.14 from the collection of Kepe OE

17.1.14
A material point of mass m = 0.1 kg slides with a nonsmooth, vertically placed guide of radius r = 0.4 m. At the lowest position, the velocity of the point is v = 4 m / s, and the tangential acceleration is a = 7 m / s2. Determine the instantaneous value of the force F, if the coefficient of friction f = 0,1. (Answer 1.20)

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