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Force of friction of this cart on wheels with a motor driven propeller

  1. Nov 4, 2006 #1
    can anyone show me how to solve this problem?


    a cart on wheels with a mass of 250 g has a motor driven propeller with a force P of .3 N, and it moved down an incline of 30 degrees with an acceleration of 3.5 m/s^2.

    What is the force of friction ?

    determine coefficent of friction
     
  2. jcsd
  3. Nov 4, 2006 #2
    1) Determine the net force acting on the cart (you know its mass and its acceleration)
    2) Draw a free body diagram; what forces are responsible for this net force?
    3) Solve for Friction Force and then mu
     
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