Recent content by Idontknowhatimdoing

  1. Idontknowhatimdoing

    Electric Field Inside Cylindrical Capacitor

    we know that flux is equal to the area integral of electric field dotted with dA and we can set this equal to charge enclosed divided by epsilon naught. Thus, in this case, the integral simplifies to E * A = (q_enclosed)/(ε_naught) when we choose a cylindrical gaussian surface with radius of r...
  2. Idontknowhatimdoing

    Normal force at the top of a vertical loop -- Circular Motion Dynamics

    This makes sense, but the fact that the normal force can be a reaction to a fictitious force just doesn't sit right with me. Does this mean that you don't need a real force for normal force to respond?
  3. Idontknowhatimdoing

    Normal force at the top of a vertical loop -- Circular Motion Dynamics

    From the equation for centripetal force, I can see that the centripetal force is proportional to v^2. Does this have something to do with why there is a normal force at the top? Does the velocity of the object require there to be a normal force? If so, why is that the case?
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