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Newtons law concept question

  1. Apr 10, 2012 #1
    1. The problem statement, all variables and given/known data

    I just wanted to know if I was correct, when dealing with a newton law problem that has components.

    Ʃfx=0 and ƩfY = zero

    However when we add the forces together then we can use Ʃf=ma

    thanks




    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Apr 10, 2012 #2
    1. All forces can be resolved into components whatever axis you choose.
    2. Component vectors also produce acceleration. Vector addition or subtraction produces the resultant acceleration.

    Thus it is applicable, f=ma for components or resultant forces.
     
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