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Max acceleration of car

  1. Oct 16, 2015 #1
    1. The problem statement, all variables and given/known data
    Two-thirds of the weight of a 1500 kg car rests on the drive wheels. What is the maximum acceleration of this car on a concrete surface?

    μs = 1

    2. Relevant equations

    F = ma



    3. The attempt at a solution

    The answer I got is 6.53 m/s^2 , but I want to make sure the answer is correct.
     
  2. jcsd
  3. Oct 16, 2015 #2

    Nathanael

    User Avatar
    Homework Helper

    Yes, your answer (2g/3) is correct.

    In reality, there will also be a backwards frictional force on the other (non-drive) wheels to get them rotating, but if the mass of the wheels are negligible then this can be ignored.
     
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