Climbing up an Atwood machine

  • Thread starter jk494
  • Start date
  • #1
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Homework Statement


[/B]

As stated in the included pics, you are climbing up a massless rope on a frictionless pulley, attached to a block equal to your mass which is hanging on the other side. You move a distance d along the rope. Does the block move? If so, how much?

Homework Equations


F = ma

The Attempt at a Solution


My attached work
 

Attachments

  • Screenshot_2018-08-23 Challenge Problems Concept of Force - MIT8_01SC_problems07 pdf.png
    Screenshot_2018-08-23 Challenge Problems Concept of Force - MIT8_01SC_problems07 pdf.png
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  • Screenshot_2018-08-24 soln pdf.png
    Screenshot_2018-08-24 soln pdf.png
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  • image1.JPG
    image1.JPG
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Last edited:

Answers and Replies

  • #2
phinds
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all of your attached images are too small to be readable
 
  • #3
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all of your attached images are too small to be readable
I replaced them. Are these better?
 
  • #4
phinds
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I replaced them. Are these better?
The first one is now readable. The 2nd one still not. I'm an old guy. Maybe some of our younger members will be able to. Also, you REALLY shouldn't post chicken-scratch handwritten solutions. Typed-in work is the order of the day here.
 
  • #5
PeterDonis
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@jk494 as @phinds has said, you need to post your work as equations in the thread. Attached images of handwritten work are not acceptable.
 
  • #6
haruspex
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I replaced them. Are these better?
My problem is not the readability but the lack of explanation.
No definition of variables, no text to explain the starting equations in terms of elementary principles or how equations are combined, and the tabular layout robs it of clues as to the logical flow.
 

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