A horizontal 4.00-m long, 7.00-kg uniform beam that lies along the east-west direction is acted on by two forces. At the east end of the beam, a 300-N forces pushes downward. At the west end of the beam, a 400-N force pushes upward. What is the angular acceleration of the beam about an axis that passes through the west end? [Ibxeam=(1/3)ML²]. (a) 225 rad/s². (d) 8.04 rad/s². (b) 128.57 rad/s². (e) 53.57 rad/s². (c) 32.14 rad/s. (f) 510.71 rad/s².
A horizontal 4.00-m long, 7.00-kg uniform beam that lies along the east-west direction is acted on by two forces. At the east end of the beam, a 300-N forces pushes downward. At the west end of the beam, a 400-N force pushes upward. What is the angular acceleration of the beam about an axis that passes through the west end? [Ibxeam=(1/3)ML²]. (a) 225 rad/s². (d) 8.04 rad/s². (b) 128.57 rad/s². (e) 53.57 rad/s². (c) 32.14 rad/s. (f) 510.71 rad/s².
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter8: Rotational Motion
Section: Chapter Questions
Problem 5STP
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![A horizontal 4.00-m long, 7.00-kg uniform beam that lies along the east-west direction is acted on by two forces. At
the east end of the beam, a 300-N forces pushes downward. At the west end of the beam, a 400-N force pushes
upward. What is the angular acceleration of the beam about an axis that passes
through the west end?
H
[Ibeam=(1/3)ML²].
(a) 225 rad/s².
(d) 8.04 rad/s².
(b) 128.57 rad/s².
(e) 53.57 rad/s².
(c) 32.14 rad/s².
(f) 510.71 rad/s².](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3dfb65b2-88b3-4cf5-a2e5-5ba148199257%2F4fe8f002-0473-47ed-90ce-1987c26462e6%2F3aqiw0p_processed.png&w=3840&q=75)
Transcribed Image Text:A horizontal 4.00-m long, 7.00-kg uniform beam that lies along the east-west direction is acted on by two forces. At
the east end of the beam, a 300-N forces pushes downward. At the west end of the beam, a 400-N force pushes
upward. What is the angular acceleration of the beam about an axis that passes
through the west end?
H
[Ibeam=(1/3)ML²].
(a) 225 rad/s².
(d) 8.04 rad/s².
(b) 128.57 rad/s².
(e) 53.57 rad/s².
(c) 32.14 rad/s².
(f) 510.71 rad/s².
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