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Spring constant of trampoline and cradle

  1. Nov 19, 2015 #1
    1. The problem statement, all variables and given/known
    Spring constant of trampoline and cradle


    2. Relevant equations
    k=F/x
    3. The attempt at a solution
    I think a trampoline should have a low spring constant so that the extension is bigger. Is this correct? For cradle, in my opinion, it should have a low spring constant too so that the extension is bigger and the babies are able to sleep soundly. However, according to the answers given, the spring of a cradle has high spring constant. Does anyone know which one is correct? If yes, please kindly explain to me.
     
  2. jcsd
  3. Nov 19, 2015 #2

    andrevdh

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    Homework Helper

    For a cradle the factor might be the period of the oscillations?
     
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