You are trying to move a light fixture into an apartment. There are hooks in the elevator so you hang the fixture on a hook with a chain. You don't want the fixture to touch the walls, so you attach a rope to the side that p horizontally as shown, keeping the fixture stationary with respect to the elevator. Note 0 = 35°.

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 32PQ: If the vector components of the position of a particle moving in the xy plane as a function of time...
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You are trying to move a light fixture into an apartment. There are hooks in the elevator so you hang the fixture on a hook with a chain. You don't want the fixture to touch the walls, so you attach a rope to the side that pulls
horizontally as shown, keeping the fixture stationary with respect to the elevator. Note 0 = 35°.
Chain
Rope
Fixture
As the elevator ascends vertically, the magnitude of the tension force in the chain from the elevator on the fixture as a function of the vertical position of the elevator, y, is
Fa(y)
= Foe y/n
where Fo = 108 N and y1 = 6.5 m.
Work From Chain
Using the fixture as your system, if the elevator goes from y = 0 to y = 5.85 m, what is the work done by the tension force in the chain on the fixture?
Reminder About Work
...........................................
Make Sure to Integrate!
Wef = |
Work From Rope
The tension force in the horizontal rope as a function of y is
Ff(y) = Fje-y/y1
where F = 61 N and y1 = 6.5 m. What is the work done by the tension in the rope on the fixture as the elevator moves from y = 0 to y = 5.85 m?
Remember the Definition of Work
Wif =
Transcribed Image Text:You are trying to move a light fixture into an apartment. There are hooks in the elevator so you hang the fixture on a hook with a chain. You don't want the fixture to touch the walls, so you attach a rope to the side that pulls horizontally as shown, keeping the fixture stationary with respect to the elevator. Note 0 = 35°. Chain Rope Fixture As the elevator ascends vertically, the magnitude of the tension force in the chain from the elevator on the fixture as a function of the vertical position of the elevator, y, is Fa(y) = Foe y/n where Fo = 108 N and y1 = 6.5 m. Work From Chain Using the fixture as your system, if the elevator goes from y = 0 to y = 5.85 m, what is the work done by the tension force in the chain on the fixture? Reminder About Work ........................................... Make Sure to Integrate! Wef = | Work From Rope The tension force in the horizontal rope as a function of y is Ff(y) = Fje-y/y1 where F = 61 N and y1 = 6.5 m. What is the work done by the tension in the rope on the fixture as the elevator moves from y = 0 to y = 5.85 m? Remember the Definition of Work Wif =
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