Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 9 - Static Equilibrium; Elasticity and Fracture - Problems: 40

Answer

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Work Step by Step

Find the amount of stretch by using equation 9–4. $$\Delta \mathcal{l}=\frac{1}{E}\frac{F}{A}\mathcal{l}_o$$ $$=\frac{1}{3 \times 10^9 N/m^2}\frac{275 N}{\pi (0.0005 m)^2}(0.300m) $$ $$=3.5 \times 10^{-2}m$$
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