Springs in Parallel

  • Thread starter andyrk
  • Start date
  • #1
andyrk
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When springs in parallel are replaced by a new spring of a new effective spring constant, for the proof of this, i.e
keff=k1+k2

Why do we assume the extension in the springs to be equal?
 

Answers and Replies

  • #2
Pythagorean
Gold Member
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If you imagine two adjacent blocks being held together by two springs, if you stretch the blocks apart, the springs stretch equally.
 
  • #3
andyrk
658
5
In the attachment, why is the extension of the springs same?
 

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  • Springs in Parallel.png
    Springs in Parallel.png
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  • #4
Pythagorean
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For the sake of the derivation, you assume that the little block is pulled evenly so that both springs are extended the same amount.
 

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