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An elevator is hoisted by its cables at constant speed. Is

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

Solution for problem 2DQ 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 2DQ

An elevator is hoisted by its cables at constant speed. Is the total work done on the elevator positive, negative, or zero? Explain.

Step-by-Step Solution:

Solution 2DQ Introduction We have to first figure out the total force acting on the elevator. We can then figure out whether the work done is positive, negative or zero by looking at the direction of force and the displacement. Step 1 The work done on an object is given by W = F · d = Fdcos The elevator is moving at a constant velocity, which means there is no acceleration. So the total force acting on the elevator F = 0. Hence the work done from the above formula is W = 0dcos = 0 So the total work done on the elevator is zero.

Step 2 of 1

Chapter 6, Problem 2DQ is Solved
Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

This textbook survival guide was created for the textbook: University Physics, edition: 13. The answer to “An elevator is hoisted by its cables at constant speed. Is the total work done on the elevator positive, negative, or zero? Explain.” is broken down into a number of easy to follow steps, and 23 words. University Physics was written by and is associated to the ISBN: 9780321675460. This full solution covers the following key subjects: elevator, its, done, cables, explain. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. The full step-by-step solution to problem: 2DQ from chapter: 6 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. Since the solution to 2DQ from 6 chapter was answered, more than 1351 students have viewed the full step-by-step answer.

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An elevator is hoisted by its cables at constant speed. Is