Physics 101- Introduction to Mechanics
February 18- Applications of Newton's Laws

 

 

 

 
 

 

  Coupled Objects- ideal ropes and pulleys
 

What is an ideal rope?  How do you know when it is safe to approximate your rope as ideal?

What about ideal pulleys?
 

A spring scale typically indicates the magnitude of the tension exerted on its bottom hook.  What will the scale read in each of the cases shown in the diagram?

 
 
 

 

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Jeff Phillips
phillips@lmu.edu
Loyola Marymount University
Spring 2002