Solution of task 15.1.22 from the collection of Kepe OE

Solution of task 15.1.22 from the collection of Kepe OE

15.1.22.
To a disc of diameter D = 20 cm, which rotates with angular velocity? = 100 rad / s,
Two pads with force F = 200 N each are pressed. Determine the power of the frictional force, if
Coefficient of sliding friction of the brake pad on the disk f = 0.2. (Answer -800)

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