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Thread: Hookes law

  1. #1
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    Hookes law

    I just sat an exam and wondered if i attempted this question correctly.

    it said a spring had force keeping it compressed (i forget the figures) and basically i had to find the modulus of elesticity

    so say the force was 800N, would i do this -

    $\displaystyle 800=\frac{\lambda x}{l}$

    or

    $\displaystyle 800=\frac{\lambda x^2}{2l}$

    or neither... i'm doomed lol
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  2. #2
    Senior Member Twig's Avatar
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    Gothenburg
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    Hi

    Hookes lay says: $\displaystyle F=k\cdot x $ , where k is the constant you are looking for, and x the distance the spring is compressed or extended.

    Solve for k.
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