Answer
0.31 N
Work Step by Step
The only vertical force acting on the object at point Q is the gravitational force. Therefore, the vertical component of the net force on the block is
$F = mg = (0.032 kg)(9.8 m/s^{2})$
= 0.3136 N $\approx$ 0.31 N
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 8 - Potential Energy and Conservation of Energy - Problems - Page 203: 17b
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