Determine the initial angular acceleration of the roll as the paper unrolls
Determine the initial angular acceleration of the roll as the paper unrolls
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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Transcribed Image Text:Problem 17.76
The 19.2-kg roll of paper has a radius of gyration k = 120 mm about an
axis passing through point A. It is pin supported at both ends by two
brackets AB as shown in (Eigure 1) The roll rests on the floor, for which the
coefficient of kinetic friction is 0.2. A horizontal force F-60 N is
applied to the end of the paper.
Figure
400 mm
300 mm/
C
<1 of 1
Part A
Determine the initial angular acceleration of the roll as the paper unrolls
Express your answer in radians per second squared to three significant figures. Enter positive value if the angular acceleration is clockwise and negative value if the
angular acceleration is counterclockwise.
VAE Ivec 3
a= 7.54
a
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rad/s²
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