Engineering questions

  • #1
Lukas Pohnan
4
0

Homework Statement



I am having trouble completing these questions, help would be much appreciated.

thanks

Lukas

Homework Equations





The Attempt at a Solution

 

Attachments

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Answers and Replies

  • #2
Harry Hazard
16
0
What have you tried?
 
  • #3
tiny-tim
Science Advisor
Homework Helper
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255
Welcome to PF!

Hi Lukas! Welcome to PF! :wink:

Show us what you've tried, and where you're stuck, and then we'll know how to help! :smile:
 
  • #4
Lukas Pohnan
4
0
I have attached my partial solution to the two pulleys question. I think I have managed to work out the natural frequency, however I dont know what to do more as there are different spring stiffnesses and the pulleys have different radii.
 

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  • #5
tiny-tim
Science Advisor
Homework Helper
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I have attached my partial solution to the two pulleys question. I think I have managed to work out the natural frequency, however I dont know what to do more as there are different spring stiffnesses and the pulleys have different radii.

Hi Lukas! :smile:

Sorry, but this is too difficult to read.

Can you please type out your work in future?

(btw, there's no torsion in the pulley question)
 
  • #6
Lukas Pohnan
4
0
Here is my answer to the 2 pulleys question in word.
 

Attachments

  • Dynamics Assignment Answer for Question 1.doc
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