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How do you determine the force constant of a spring when given the mass of an object being hung vertically, and the distance the spring stretches? What formula and logic do I need?

  • Physics -

    Sorry, I forgot to mention the question also gives the period of the oscillations. This confused me.. why would I need that piece of information. Don't I simply use F=-kx, then mg=-kx and solve for k??

  • Physics -

    It appears to be oscillating, not hanging still. You cant use kx if it is moving.

  • Physics -

    But I don't understand where to go from here.

  • bobpursley -

    Do I use the formula T=2pi*sprt(m/k) ?

    I'm just confused because it seems like I have an extra piece of info I should be using (in this case x).

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