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In a world without friction, which of the following

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

Solution for problem 12DQ Chapter 5

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 12DQ

In a world without friction, which of the following activities could you do (or not do)? Explain your reasoning. (a) Drive around an unbanked highway curve; (b) jump into the air; (c) start walking on a horizontal sidewalk; (d) climb a vertical ladder; (e) change lanes while you drive.

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Solution 12DQ a) Drive around an unbanked highway curve: You can’t drive through the unbanked highway as there is no friction. Friction also provides the normal reaction, otherwise you would not be able t stand on a train as it is moving. Here the normal reaction is by the friction which holds you. Without friction, any type of motion which includes contact of two objects can’t be done. b) jump into the air: You can jump into air any time. It does not require friction at all. The only thing is you won’t feel the air friction at all. Otherwise it’s completely fine to do this. c) start walking on a horizontal sidewalk: You won’t be able to walk through this. Because...

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Chapter 5, Problem 12DQ is Solved
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Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

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In a world without friction, which of the following

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