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 - General Problems - Page 258: 78

Answer

$A=0.249kg$ $C=0.194kg$ $D=0.0553kg$

Work Step by Step

$(30cm)(A)=(7.50cm)(D+C+B)$ $(5.0cm)(B)=(15.0cm)(D+C)$ $(17.5cm)(D)=(5.0cm)(C)$ $(D+C)=0.249kg$ $D=\frac{(5.0cm)(C)}{17.5cm}$ $\frac{(5.0cm)(C)}{17.5cm}+C=0.249kg$ $C=0.194kg$ $D=0.0553kg$ $A=\frac{(7.50cm)(0.249kg+0.748kg)}{30cm}=0.249kg$
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