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I know the equivalent formula for spring constant for springs connected in parallel and series. But how do I identify whether those are in series or parallel?

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  • $\begingroup$ Best way is to identify that what remains same for two springs when they are elongated spring force or extension . If the force is same then the springs are in series and if the extension is same then the springs are in parallel $\endgroup$ – Aditya Garg Jan 9 '19 at 12:55
  • $\begingroup$ @Farcher That seems like an answer, rather than a comment. $\endgroup$ – rob Jan 9 '19 at 13:26
  • $\begingroup$ @AdityaGarg Likewise for you: that seems like an answer rather than a comment. $\endgroup$ – rob Jan 9 '19 at 13:27
  • $\begingroup$ No an answer would be much more sophisticated believe me $\endgroup$ – Aditya Garg Jan 9 '19 at 13:41
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    $\begingroup$ @AdityaGarg, to be sure, your 'comment' is much more an answer than a comment. Moderator rob is appropriately reminding you that answers, even if abbreviated, in the comments are discouraged. $\endgroup$ – Alfred Centauri Jan 9 '19 at 14:39
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In the same way that resistors in series are connected together and have the same current passing through them, springs in series have the same force acting on them and resistors in parallel are connected together and have the same potential difference across them, springs in parallel extend by the same amount.

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  • $\begingroup$ d2vlcm61l7u1fs.cloudfront.net/… Please comment on this image whether this one is in parallel or series... $\endgroup$ – Devanshu Pandey Jan 9 '19 at 15:08
  • $\begingroup$ @DevanshuPandey The force exerted on/by each spring is the same. The complication is that the total extension of the springs is not the distance moved by the load attached to the pulley. $\endgroup$ – Farcher Jan 9 '19 at 15:52

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