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Acceleration of block B on top of wedge A on a ramp

  1. Feb 23, 2013 #1
    1. The problem statement, all variables and given/known data
    A 12-lb block B rests on the upper surface of a 30-lb wedge A on a 30° ramp. Neglecting friction, determine immediately after the system is released from frest (a) the acceleration of A, (b) the acceleration of B relative to A.


    2. Relevant equations

    ƩFx=mA aA
    W=mg
    aB = aA + aB/A
    3. The attempt at a solution
    Attemp page 1
    View attachment 30 lb wedge pg 1.pdf
    Attemp page 2
    View attachment 30 lb wedge pg 2.pdf
    Attemp page 3
    View attachment 30 lb wedge pg 3.pdf
     
  2. jcsd
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