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Help Me Please

  1. Oct 26, 2004 #1
    Hey guys im a newcomer in desparate search of some help, in partic an equation with which i can solve the following, esp Ques 3 and 4

    For a car travelling around a circular bend of radius r, in a road at constant speed v, the resultant acceleration a, is given by:



    The direction of this acceleration is towards the centre of the circular bend.

    1. Draw a force diagram of a car travelling around a circular bend assuming the road surface is horizontal.

    2. Draw a force diagram of a car travelling around a circular bend assuming the road surface is cambered to at an angle θ to the horizontal.

    3. Calculate the maximum speed that a 1500kg car can travel around a horizontal bend of radius 50m assuming a coefficient of static friction of 0.7.

    4. Calculate the maximum speed that a 1500kg car can travel around a bend of radius 50m with a positive camber of 5° assuming a coefficient of static friction of 0.7.
     
  2. jcsd
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