Multivariable Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 0-53849-787-4
ISBN 13: 978-0-53849-787-9

Chapter 16 - Vector Calculus - 16.2 Exercises - Page 1098: 51

Answer

$\approx 22 J$

Work Step by Step

The work done in moving the object is given by: $W=\int_c F \cdot T ds \approx \Sigma_{i=1}^{7} F(x_i,y_i) \cdot (x_i,y_i)]ds=(2+2+2+2+1+1+1) \cdot 2 \approx 22 J$ Hence, we approximate $22 J$ of work is needed.
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