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Resolving vectors problem (I guess)

  1. Sep 26, 2012 #1
    1. The problem statement, all variables and given/known data
    http://i1269.photobucket.com/albums/jj597/bubakazouba/prob_zps06224e98.png [Broken]

    2. Relevant equations

    3. The attempt at a solution
    I thought it would be D because the wheels exert a backward force on the road and the reaction of the road if forward, but I got confused when I knew that the answer was B, I mean its not like turning or anything why is it B?
    Last edited by a moderator: May 6, 2017
  2. jcsd
  3. Sep 26, 2012 #2


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    If the car was not accelerating, just sitting there, what would be your answer? Does that help?
  4. Sep 26, 2012 #3
    it would be.. yea I got it ,I totally forgot about the normal contact force.
    Thank you very much :)
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