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Reflection on a Day of Struggle

October 2, 2012

Teaching circular motion is just awful. That is, it is awful if you haven’t built a foundation of kinematics rooted in vectors quantities. How can you possibly interpret a centripetal acceleration of 4 m/s/s? What does that 4 mean?

Today is the first day all semester I’ve had to say to my students, “This makes no sense and right now we have no tools for making sense of it.”

 

2 Comments leave one →
  1. cgoedde permalink
    October 2, 2012 11:56 pm

    Bummer. Are you at liberty to talk about the politics behind the home-grown text you use (or do you even know)? That seems to be the root of a lot of the frustrations you document here.

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  1. My first year of intentional inquiry « Shifting Phases

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