Answer
167 N
Work Step by Step
$T=Frsin\theta$
For force to be minimum, $sin\theta$ needs to be maximum i.e. 1
So, $F_{min}=\frac{T}{r}=\frac{25}{0.15}=166.7N\approx167N$
College Physics (7th Edition)
by Wilson, Jerry D.; Buffa, Anthony J.; Lou, Bo
Published by
Pearson
ISBN 10:
0-32160-183-1
ISBN 13:
978-0-32160-183-4
Chapter 8 - Rotational Motion and Equilibrium - Learning Path Questions and Exercises - Exercises - Page 304: 10
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