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Need help with a Pulley question

by Cenax Kikia
Tags: pulley
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Cenax Kikia
#1
Mar17-04, 06:31 PM
P: 1
Im having trouble with a question I have to answer, It's not so much the answer I want but im having trouble understanding the wording of the question.. Its an open ended answer I need to try to write, but no numbers are involved. Here it is:

For the pulley system shown, what is the upper limit of weight the strongman can lift?

And the picture is of a Strongman pulling a rope, wrapped around a pulley that is attached to the celing, connected to a block that is on the ground.
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jamesrc
#2
Mar17-04, 06:52 PM
Sci Advisor
PF Gold
P: 477
Provided his feet aren't strapped to the floor, the upper limit on what he could lift would be his own weight.

(This also assumes that we are ignoring the fact that the cable could snap under too much tension and that the fixture holding the pulley in the ceiling could break.)


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