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An engineer is de-signing a conveyor system for loading

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 81P Chapter 11

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 81P

An engineer is de-signing a conveyor system for loading hay bales into a wagon (?Fig. P11.77?). Each bale is 0.25 m wide, 0.50 m high, and 0.80 m long (the dimension perpendicular to the plane of the figure), with mass 30.0 kg. The center of gravity of each bale is at its geometrical center. The coefficient of static friction between a bale and the conveyor belt is 0.60, and the belt moves with constant speed. (a) The angle ? of the conveyor is slowly increased. At some critical angle a bale will tip (if it doesn’t slip first), and at some different critical angle it will slip (if it doesn’t tip first). Find the two critical angles and determine which happens at the smaller angle. (b) Would the out-come of part (a) be different if the coefficient of friction were 0.40?

Step-by-Step Solution:

Solution to 81P Step 1 of 2: Introduction The hay bales are loaded into the wagon using a inclined plane. We need to find the angle in which the hay bales will tip and the angle at which the hay bales will slip.

Step 2 of 2

Chapter 11, Problem 81P is Solved
Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

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