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# A man sitting in a cage is connected to a pulley system of three movable and one fixed pulley in the system shown in ATTACHMENT #1. He pulls down on...

A man sitting in a cage is connected to a pulley system of three movable and one fixed pulley in the system shown in ATTACHMENT #1. He pulls down on a rope as shown, to raise himself and the cage. The man and cage have a total weight of 639 nt. Ignore friction as negligible.
PART a. Find the force he exerts to move upward with constant velocity.
PART b. Find the force he exerts to move upward with acceleration of 1.8 m/sec^2.

ATTACHMENT #1
A person in a cage pulls on a rope to lift himself and the cage.
The total weight of the cage plus man is 639 nt.

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