Ꮎ Chain Fixture Rope
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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 theta =38∘.
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
Fcf(y)=F_0*e^-y/y1
where F_0=167 N and y1=3.3 m.
Using the fixture as your system, if the elevator goes from y=0 to y=5.94m, what is the work done by the tension force in the chain on the fixture?
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