Answer
$\tau = -7.84~N\cdot m$
Work Step by Step
We can find the torque about $P$:
$\tau = r \times F$
$\tau = r_{\perp} mg$
$\tau = (2.00~m) (0.400~kg)(-9.8~m/s^2)$
$\tau = -7.84~N\cdot m$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 11 - Rolling, Torque, and Angular Momentum - Problems - Page 322: 31c
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