L. Ortiz, P. Heron, and P. Shaffer, Am. J. Phys., 73 (6), 545-553 (2005).
We report on an investigation of student ability to account for static equilibrium in the simple familiar case in which an object is balanced on a frictionless pivot or fulcrum.…
A. Rouinfar, A. Madsen, T. Hoang, S. Puntambekar, and N. Rebello, PERC 2011 Proceedings, 331-334.
Research has shown that the concept of force in a pulley is learned equally well by students using physical and virtual manipulatives. We report on a study in which students enrolled…