The sign of many physical quantities depends on the choice

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

Problem 1DQ Chapter 6

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 1DQ

The sign of many physical quantities depends on the choice of coordinates. For example, a y for free-fall motion can be negative or positive, depending on whether we choose upward or downward as positive. Is the same true of work? In other words, can we make positive work negative by a different choice of coordinates? Explain.

Step-by-Step Solution:
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Solution 1DQ Introduction In this problem we have to see if work depends on the choice of coordinate system. Solution The work is given by W = F · d Where F is the force and d is the displacement. Now, as we know from vector algebra, the dot product can be written as F · d = |F||d|cos Where theta is the angle between the applied force and the displacement. So from the equation we can see that work depends on the angle between...

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Chapter 6, Problem 1DQ is Solved
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Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

The answer to “The sign of many physical quantities depends on the choice of coordinates. For example, a y for free-fall motion can be negative or positive, depending on whether we choose upward or downward as positive. Is the same true of work? In other words, can we make positive work negative by a different choice of coordinates? Explain.” is broken down into a number of easy to follow steps, and 56 words. University Physics was written by Patricia and is associated to the ISBN: 9780321675460. This textbook survival guide was created for the textbook: University Physics, edition: 13. Since the solution to 1DQ from 6 chapter was answered, more than 631 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 1DQ from chapter: 6 was answered by Patricia, our top Physics solution expert on 05/06/17, 06:07PM. This full solution covers the following key subjects: Positive, coordinates, Choice, Negative, work. This expansive textbook survival guide covers 26 chapters, and 2929 solutions.

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