The pictured disk which weighs 20 lbs. and contacts an inclined surface (this inclined surface is fixed, i.e. doesn't “move"). A constant couple (moment) M is applied. The link AB weighs 10 lbs. and the kinetic friction coefficient at point D is µg = 0.25. Suppose that the angular acceleration of the disk is a = 16 rad/s² clockwise, find (a) the magnitude of M and (b) the force (total force) exerted on the disk at D. You may take the moment of inertia of the disk about its mass center as Iç =;mr² where the radius of the disk is 9 inches.

The pictured disk which weighs 20 lbs. and contacts an inclined surface (this inclined surface is fixed, i.e. doesn't “move"). A constant couple (moment) M is applied. The link AB weighs 10 lbs. and the kinetic friction coefficient at point D is µg = 0.25. Suppose that the angular acceleration of the disk is a = 16 rad/s² clockwise, find (a) the magnitude of M and (b) the force (total force) exerted on the disk at D. You may take the moment of inertia of the disk about its mass center as Iç =;mr² where the radius of the disk is 9 inches.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

The pictured disk which weighs 20 lbs. and contacts an inclined surface (this inclined surface is fixed,
i.e. doesn't “move"). A constant couple (moment) M is applied. The link AB weighs 10 lbs. and the kinetic friction
coefficient at point D is µg = 0.25. Suppose that the angular acceleration of the disk is a = 16 rad/s² clockwise,
find (a) the magnitude of M and (b) the force (total force) exerted on the disk at D. You may take the moment of
inertia of the disk about its mass center as Iç =;mr² where the radius of the disk is 9 inches.

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