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When rubber mounting blocks are used to absorb machine

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

Solution for problem 25DQ 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 25DQ

When rubber mounting blocks are used to absorb machine vibrations through elastic hysteresis, as mentioned in Section 11.5, what becomes of the energy associated with the vibrations?

Step-by-Step Solution:

Solution 25DQ Step 1: Once we deform the rubber, work done to bring the rubber back to its original shape is lesser than the work done to deform the rubber. The rubber is not obeying the Hooke’s law. It is because, the stress is not proportional to the strain. So, we can stretch rubber more than its original length. In normal substances, which obeys Hooke’s law, the energy during stretching will be converted as heat energy while going back to its original form. So, the material will get heated up after several stretching exercise. In the case of rubber, there are some internal frictions taking place. So, the energy will be dissipated through this and the heating effect will be less. So, the vibrational energy will deform the rubber but, eventually it will come back to its original state without obeying the Hooke’s law

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Chapter 11, Problem 25DQ is Solved
Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

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When rubber mounting blocks are used to absorb machine