## Fundamentals of Physics Extended (10th Edition)

Published by Wiley

# Chapter 5 - Force and Motion-I - Problems: 29b

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#### Work Step by Step

Without the pole, the firefighter would accelerate downwards at 9.81 $m/s^2$ due to gravity. Since he is only traveling at 3 $m/s^2$, then the pole must be causing a deceleration. Therefore, the force of the pole on the man is opposite of the force of gravity on the man. Gravity pulls him down so the pole must exert a force up

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