Show solution for 1221 1220. A weight of 96.6 lb is fastened to a cord which is wrapped around a solidcylinder of 3 ft radius weighing 322 lb. The cylinder rotates about its horizontalcentroidal axis. Compute the angular acceleration and the tension in the cord;also the total bearing reaction. 1921. What torque applied to the cylinder of Prob. 1220 will raise the weightwith an acceleration of 12 ft per sec? What will be the total bearing reaction?Ana. M = 578 ft-lb; R 454.6 lb

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Answered: 1221. What torque applied to the…

1221. What torque applied to the cylinder of Prob. 1220 will raise the weight with an accelersation of 12 ft per sec? What will be the total bearing reaction? Ana. M = 578 ft-lb; R 454.6 lb

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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Concept explainers

Angular speed, acceleration and displacement

Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.

Angular Position

Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.

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Show solution for 1221

1220. A weight of 96.6 lb is fastened to a cord which is wrapped around a solid
cylinder of 3 ft radius weighing 322 lb. The cylinder rotates about its horizontal
centroidal axis. Compute the angular acceleration and the tension in the cord;
also the total bearing reaction.

1921. What torque applied to the cylinder of Prob. 1220 will raise the weight
with an acceleration of 12 ft per sec? What will be the total bearing reaction?
Ana. M = 578 ft-lb; R 454.6 lb

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