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Loop the loop

  1. Feb 19, 2009 #1
    1. The problem statement, all variables and given/known data

    The two problems below are related to a cart of mass M = 500 kg going around a circular loop-the-loop of radius R = 9 m, as shown in the figures. Assume that friction can be ignored. Also assume that, in order for the cart to negotiate the loop safely, the normal force exerted by the track on the cart at the top of the loop must be at least equal to 0.4 times the weight of the cart. (Note: This is different from the conditions needed to "just negotiate" the loop.) You may treat the cart as a point particle.

    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Feb 19, 2009 #2

    djeitnstine

    User Avatar
    Gold Member

    What are you solving for and where is your attempt?
     
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