- #1
Theorγ
- 57
- 0
Homework Statement
A pulley is attached to the ceiling, with a rope going over that pulley and both objects are mass less. At one end of the rope, a Bosun's chair with a man sitting on it is attached, and the man is holding on to the other end of the rope. The man and chair's mass combined is 95 kg. What is the force the man must use to pull himself up at constant velocity?
Homework Equations
[tex]F_{net} = m a[/tex]
The Attempt at a Solution
I first drew all the forces on the system by using the following equations:
Forces on the man and chair
[tex]-F_{g} + T = m a[/tex]
Forces on the other end of rope
[tex]F_{pull} - T = m a[/tex]
Definition of Constant velocity
[tex]a = 0[/tex]
Subbing in the given values will give the notion that the man must pull his own weight to go up, but apparently this is not the answer, so what am I missing?
Last edited: