Answer
a) $1lbf$
Work Step by Step
Knowing that: $W=m*g$
$W=(1lbm)*(32.2\frac{ft}{s^2})*(\frac{1lbf}{32.2\frac{lbm*ft}{s^2}})=1lbf$
Thermodynamics: An Engineering Approach 8th Edition
by Cengel, Yunus; Boles, Michael
Published by
McGraw-Hill Education
ISBN 10:
0-07339-817-9
ISBN 13:
978-0-07339-817-4
Chapter 1 - Introduction and Basic Concepts - Problems - Page 50: 1-124
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