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

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Aug 18, 2017 02:24 PM

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

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