This underscores the inherent problems in using individual student responses out of context. Hestenes and Halloun have always maintained that great care must be taken in interpreting FCI results and this study serves as further evidence of the need for caution. The authors would like to thank Greg Francis for his assistance in data collection and Meredith Wills for her careful review of this manuscript. Impulsive force on a hockey puck. Students on chairs push each other apart.
Elevator moves up at constant velocity.
Two blocks move at constant velocity. A box is pushed at constant velocity.