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Insights Frequently Made Errors in Mechanics - Springs - Comments

  1. May 23, 2015 #1

    haruspex

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  3. May 25, 2015 #2

    QuantumCurt

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    That was a good write up. I've been tutoring a bit of freshman level physics this last year (during my sophomore year), and I've had to correct some similar errors that people were making. It was made more difficult because these students had not yet completed any E&M, so I was unable to use the analogy of adding resistors in series and parallel. I've found that identifying and helping people with these frequently made errors has really improved my own knowledge of the material.
     
  4. May 25, 2015 #3
    haruspex is on a writing tear at the moment. When I get a chance I'm going to link all his entries together. It's a wonderful collection.
     
  5. Feb 10, 2016 #4

    Merlin3189

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    Sec 1 -There seems to be a small typo in the 6th line here
    I think it should be
    Overall spring constant ## = \frac{2T}{T(\frac{1}{k_1}+\frac{1}{k_2})}=\frac{2k_1k_2}{k_1+k_2}##

    Reference https://www.physicsforums.com/insights/frequently-made-errors-mechanics-springs/
     
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