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Why is it a sensible procedure for soldiers to break step

Conceptual Physics | 12th Edition | ISBN: 9780321909107 | Authors: Paul G. Hewitt ISBN: 9780321909107 29

Solution for problem 33E Chapter 20

Conceptual Physics | 12th Edition

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Conceptual Physics | 12th Edition | ISBN: 9780321909107 | Authors: Paul G. Hewitt

Conceptual Physics | 12th Edition

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Problem 33E

Why is it a sensible procedure for soldiers to break step when marching over a bridge?

Step-by-Step Solution:

Step 1 of 3 The structures of bridges appear as solid and immovable, have a natural frequency of vibration within them. A force that's applied to an object at the same frequency as the object's natural frequency will amplify the vibration of the object in an occurrence called mechanical resonance. If soldiers march in unison across the structure, they apply a force at the frequency of their step. Step 2 of 3 If their frequency is closely matched to the bridge's frequency, the soldiers' rhythmic marching will amplify the vibrational frequency of the bridge. If the mechanical resonance is strong enough, the bridge can vibrate until it collapses from the movement.

Step 2 of 2

Chapter 20, Problem 33E is Solved
Textbook: Conceptual Physics
Edition: 12
Author: Paul G. Hewitt
ISBN: 9780321909107

The full step-by-step solution to problem: 33E from chapter: 20 was answered by , our top Physics solution expert on 04/03/17, 08:01AM. This textbook survival guide was created for the textbook: Conceptual Physics, edition: 12. This full solution covers the following key subjects: break, bridge, marching, procedure, sensible. This expansive textbook survival guide covers 45 chapters, and 4650 solutions. The answer to “Why is it a sensible procedure for soldiers to break step when marching over a bridge?” is broken down into a number of easy to follow steps, and 16 words. Since the solution to 33E from 20 chapter was answered, more than 287 students have viewed the full step-by-step answer. Conceptual Physics was written by and is associated to the ISBN: 9780321909107.

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Why is it a sensible procedure for soldiers to break step

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