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Simple Harmonic Motion

  1. Sep 24, 2012 #1
    1. The problem statement, all variables and given/known data
    A box of mass M is suspended by a spring of stiffness k. A small block of mass m is placed inside the box. If the system is pulled downward by a distance d and then released from rest:

    a.) find the force between the bottom of the box and the block as a function of time;
    b.) for what value of d does the block just begin to leave the bottom of the box at the top of the vertical osscilations?


    2. Relevant equations
    F(m+M)=mg+ma
    x(t)=dcos(ωt)
    ω=√(k/(m+M)).


    3. The attempt at a solution
    I'm unsure of how to proceed to determine the force of reaction from the equations above that i've worked out.
     
  2. jcsd
  3. Sep 24, 2012 #2

    Simon Bridge

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