Pulley system

  • Thread starter fk378
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  • #1
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This is a general question...

Given a pulley system that consists of one pulley and 2 strings--each with a mass hanging from it. One mass is 3kg, the other is 4kg. In class we concluded that the tension on each string was equal--why?
 

Answers and Replies

  • #2
70
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Arent they attached to the same string?

Can you have two different tension forces on one string?
(Hint)
 
  • #3
367
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Oh I see. What if you had one string along 2 pulleys? (So then the string is going upwards for 2 parts of the string, and downwards for 1 part of the string). Then is the tension along the whole string just T, or for 2 parts it is T, and the other part it is -T?
 
  • #4
70
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AS long as the same string is being used the tension force is the same
 

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