Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 6 - Applications of Newton's Laws - Problems and Conceptual Exercises - Page 183: 59

Answer

$0.67KN$

Work Step by Step

We can find the required tension as $\Sigma F_y=T-W=ma_c$ $\implies T=W+ma_c$ $T=mg+\frac{mv^2}{r}$ $T=m(g+\frac{v^2}{r})$ We plug in the known values to obtain: $T=(63)(9.81+\frac{(2.4)^2}{6.9})$ $T=0.67KN$
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