A disk rotates uniformly at 4 rev/s in a horizontal plane. A 40 kg mass is placed on the disk at a point 2 m distant from the axis of rotation. If the mass is just about to slip in this position, what is the coefficientOf friction between the mass and the disk?

A disk rotates uniformly at 4 rev/s in a horizontal plane. A 40 kg mass is placed on the disk at a point 2 m distant from the axis of rotation. If the mass is just about to slip in this position, what is the coefficientOf friction between the mass and the disk?

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.81P: Calculate the horizontal force P required to push the 85-lb lawn mower at constant speed. The center...

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A disk rotates uniformly at 4 rev/s in a horizontal plane. A 40 kg mass is placed on
the disk at a point 2 m distant from the axis of rotation. If the mass is just about
to slip in this position, what is the coefficientOf friction between the mass and
the disk?
0.3
0.4
0.5
0.6

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