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I How a spiral torsion spring works

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  1. Nov 21, 2017 #1
    How spiral torsion spring (used in mechanical watches to store energy) works? physics behind it ? ... I googled it but haven't got a clue. Where should I look for proper and detailed info. [​IMG] 86VaNqn.jpg
     
  2. jcsd
  3. Nov 21, 2017 #2

    BvU

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    What is so unclueing ?
     
  4. Nov 21, 2017 #3

    Mister T

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    Can you explain how a diving board works?
     
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