Calculus: Early Transcendentals 8th Edition

Published by Cengage Learning
ISBN 10: 1285741552
ISBN 13: 978-1-28574-155-0

Chapter 16 - Section 16.2 - Line Integrals - 16.2 Exercise - Page 1086: 51


$22 J$

Work Step by Step

The work done in moving the object can be calculated as: $W=\int_c F \cdot T ds \approx \Sigma_{i=1}^{7} [F(x_i,y_i) \cdot (x_i,y_i)]ds]$ or, $W=(2+2+2+2+1+1+1) \cdot 2 \approx 22 J$ Therefore, we estimate the work done is $22 J$.
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