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Someone check if this is correct: Finding force one object on another. Quick one

  1. Oct 11, 2011 #1
    1. The problem statement, all variables and given/known data

    The question asks me: Determine the force of package B on Package A.

    Now package A and package B are sliding down a ramp together, so they have the exact same acceleration. The acceleration of the system is 1.8 m/s^2 and the mass of package B is 10kg

    So, is it simply F = ma

    F = (10kg)(1.8) = 18 N ?


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Oct 12, 2011 #2

    SammyS

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    What is the problem you are working on, exactly as it was stated to you?
     
  4. Oct 12, 2011 #3
    seub1d.png


    C is the question I am trying to solve.
     
  5. Oct 12, 2011 #4

    SammyS

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    What did you use as the frictional force for the system?

    How did you find it?
     
  6. Oct 12, 2011 #5

    Doc Al

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