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a. Give an example of the motion of an object in which the

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli ISBN: 9780130606204 3

Solution for problem 9CQ Chapter 4

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Physics: Principles with Applications | 6th Edition

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Problem 9CQ

a. Give an example of the motion of an object in which the frictional force on the object is directed opposite to the motion. b. Give an example of the motion of an object in which the frictional force on the object is in the same direction as the motion.

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Solution: Friction most commonly refers to the resisting force generated when two solid surfaces slide against one another. However, there is actually a wide variety of different types of friction that includes skin friction, fluid friction, internal friction, lubricated friction and dry friction. Each of these frictional energies has unique features and dynamics, but the overarching hallmarks of frictional forces remain the same. When two touching surfaces slide against one another, complex interactions occur at an electromagnetic level between the surface's charged particles. These frictional forces convert the kinetic energy generated by their movements into heat. These same principles apply to objects moving through a liquid or through the air, creating different types of frictional energy. A frictional coefficient is computed by determining the ratio of the force of friction between...

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Chapter 4, Problem 9CQ is Solved
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Textbook: Physics: Principles with Applications
Edition: 6
Author: Douglas C. Giancoli
ISBN: 9780130606204

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