Answered: ius rB = 199 mm, and is at rest when it…

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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Disk A has mass mA = 4.5 kg, radius rA = 278 mm, and initial angular velocity ω0A = 300 rpm clockwise. Disk B has mass mB = 1.0 kg, radius rB = 199 mm, and is at rest when it comes into contact with disk A. Knowing that μk = 0.45 between the disks and neglecting rolling friction ,

Disk A has mass mA = 4.5 kg, radius rA = 278 mm, and initial angular velocity wOA = 300
rpm clockwise. Disk B has mass mB = 1.0 kg, radius rB = 199 mm, and is at rest when it
comes into contact with disk A. Knowing that uk = 0.45 between the disks and
neglecting rolling friction,
a) Determine the angular acceleration of disk B, in rad/s2.
000
B
A
C
TB
b) Determine the angular acceleration of disk A, in rad/s2.
c) Determine the reaction force on the support at C, in Newtons.
d) determine the moment of reaction on the support at C, in N-m.

Expert Solution

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Given data as per question

Disk A has mass mA = 4.5 kg, radius rA = 278 mm, and initial angular velocity , $ω_{o A}$ = 300 rpm clockwise. Disk B has mass mB = 1.0 kg, radius rB = 199 mm, and is at rest when it comes into contact with disk A.

$μ$ k = 0.45

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