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Abstract Title: Probing Students' Conceptions About Rolling in Different Contexts
Abstract: Research has shown that students have several misconceptions about rotational motion and rolling (Rimoldini & Singh, 2005).  Students do not understand the relationship between the speeds of various points on a rolling wheel. They also do not understand the relationship between the translational and rotational speeds of a wheel that rolls without slipping.  We conducted a study to further extend the research by Rimoldini and Singh (2005).  Specifically, we explored students' difficulties with regard to rolling without slipping in three different contexts: a single rolling bicycle wheel, two differently sized wheels in a penny-farthing bicycle, and a horizontal plank pushed forward on a rolling drum.  In each case, students in two different introductory physics classes responded in writing to open-ended questions asking them to compare the speeds at various points of the wheels in the three contexts.  We will describe students' conceptions about rolling in these different contexts.
Abstract Type: Contributed Poster Presentation

Author/Organizer Information

Primary Contact: N. Sanjay Rebello
Kansas State University
116 Cardwell Hall
KSU Physics Department
Manhattan, KS 66506-2601
Phone: 785-532-1539
Fax: 785-532-6806
Co-Author(s)
and Co-Presenter(s)
Carina M. Rebello, University of Missouri

Contributed Poster

Contributed Poster: Download the Contributed Poster