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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