A 5-kg quarter of a circular disk with a radius of 500 mm and a radius of gyration kç = 0.25 m is pinned at O. If it is released from rest with the left edge at a vertical position (theta is zero) as shown below, find: a) Its initial angular acceleration b) The reaction force at O in -y coordinate system c) Its angular velocity when theta reaches 45 degrees (G is the center of gravity)
A 5-kg quarter of a circular disk with a radius of 500 mm and a radius of gyration kç = 0.25 m is pinned at O. If it is released from rest with the left edge at a vertical position (theta is zero) as shown below, find: a) Its initial angular acceleration b) The reaction force at O in -y coordinate system c) Its angular velocity when theta reaches 45 degrees (G is the center of gravity)
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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![A 5-kg quarter of a circular disk with a radius of 500 mm and a radius of gyration kg = 0.25 m is pinned at O. If it is released from rest with
the left edge at a vertical position (theta is zero) as shown below, find:
a) Its initial angular acceleration
b) The reaction force at O in -y coordinate system
c) Its angular velocity when theta reaches 45 degrees
(G is the center of gravity)
4R
Зп
R !
G
4R
R
y
0 = 0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe7d6c3c7-2e3e-4154-b162-9d023ae49ab6%2F1f99fe36-a3d5-4c78-8654-da02efa82ae8%2Fml2e29_processed.png&w=3840&q=75)
Transcribed Image Text:A 5-kg quarter of a circular disk with a radius of 500 mm and a radius of gyration kg = 0.25 m is pinned at O. If it is released from rest with
the left edge at a vertical position (theta is zero) as shown below, find:
a) Its initial angular acceleration
b) The reaction force at O in -y coordinate system
c) Its angular velocity when theta reaches 45 degrees
(G is the center of gravity)
4R
Зп
R !
G
4R
R
y
0 = 0
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