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Plane kinetics of rigid bodies

  1. Mar 26, 2012 #1
    1. The problem statement, all variables and given/known data
    The uniform 3.6m pole is hinged to the truck bed and is released from the vertical position as the truck starts from rest with an acceleration of 0.9m/s^2. If the acceleration remains constant during the motion of the pole as it reaches the horizontal position what is the angular velocity of the pole as it reaches the horizontal position.



    2. Relevant equations
    a(tangential)=mrθ''
    a(normal) = mrω^2
    ƩMo=Iθ''+Ʃma(vector)d
    I=k^2m

    3. The attempt at a solution
    Using the given formula ƩMo=Iθ''+Ʃma(vector)d to find θ''.

    so 0= Iθ''+mrθ''+mg1.8sin(θ)-ma*1.8cos(θ)

    haven't been able to get past this point
     
  2. jcsd
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