Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Homework#8
<Homework#8
Problem 17.76
MA244-03_Syllabus_Spring, 20 ×
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☆
The 18.0-kg roll of paper has a radius of gyration kд = 120 mm
about an axis passing through point A. It is pin supported at both
ends by two brackets AB as shown in (Figure 1). The roll rests on
the floor, for which the coefficient of kinetic friction is μk = 0.2. A
horizontal force F = 60 N is applied to the end of the paper.
Determine the initial angular acceleration of the roll as the paper unrolls.
Express your answer in radians per second squared to three significant figures. Assume the positive direction is clockwise.
Figure
1 of 1
B
400 mm
300 mm
απ
ΜΕ ΑΣΦ
IT vec
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rad/s²
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ill
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Transcribed Image Text:(◉ Homework#8 <Homework#8 Problem 17.76 MA244-03_Syllabus_Spring, 20 × Answered: Homework#8 | bartle X + 8 https://session.engineering-mastering.pearson.com/myct/itemView?offset=next&assignment ProblemID=18992129 MasteringEngineering Mastering X Part A →] ☆ The 18.0-kg roll of paper has a radius of gyration kд = 120 mm about an axis passing through point A. It is pin supported at both ends by two brackets AB as shown in (Figure 1). The roll rests on the floor, for which the coefficient of kinetic friction is μk = 0.2. A horizontal force F = 60 N is applied to the end of the paper. Determine the initial angular acceleration of the roll as the paper unrolls. Express your answer in radians per second squared to three significant figures. Assume the positive direction is clockwise. Figure 1 of 1 B 400 mm 300 mm απ ΜΕ ΑΣΦ IT vec Submit Request Answer < Return to Assignment Provide Feedback ? rad/s² { ill ? Help 3 of 3 Review
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