Answer
Force exerted by the man
F = 527.25 N
Work Step by Step
If the man exerts force F on the rope, the total upward force on man and chair will be 2F
2F-mg = ma
2F = m (g+a)
a = 1.3 m/s$^2$
2F = 1054.5
F = 527.25 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 5 - Force and Motion-I - Problems - Page 121: 58b
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