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Free Body Diagram on a Piano

  1. Sep 28, 2007 #1
    Identify the forces acting on the object of interest. From the list below, select the forces that act on the piano.

    1. acceleration of the piano
    2. gravitational force acting on the piano (piano's weight)
    3. speed of the piano
    4. gravitational force acting on Chadwick (Chadwick's weight)
    5. force of the floor on the piano (normal force)
    6. force of the piano on the floor
    7. force of Chadwick on the piano
    8. force of the piano pushing on Chadwick
    1011758A.jpg
    I thought it would be 2, 5, 7, 8 But I might be missing something
    I guess you would use Fnet= m*a
     
  2. jcsd
  3. Sep 28, 2007 #2
    is 8 acting ON the piano? or is the piano acting on Chadwick? if it's not a force acting ON the piano then it isnt part of the answer.

    but I think you have them all.
     
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