Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 7 - Section 7.3 - Direct Variation - Exercises - Page 284: 40

Answer

$19.6\;lb$.

Work Step by Step

The given values are The given values are Mechanical advantage $MA=125:1$. Force applied to the small piston $F_s=2450\;lb$. Formula for the mechanical advantage is $\Rightarrow MA=\frac{F_l}{F_s}$ Substitute all the values. $\Rightarrow \frac{125}{1}=\frac{2450\;lb}{F_s}$ Cross multiply. $\Rightarrow 125F_s=2450\;lb$ Divide both sides by $125$. $\Rightarrow 125F_s=2450\;lb$ Hence, the $F_l$ is $19.6\;lb$.
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