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Pendrill, Ann-Marie; Eriksson, Moa; Eriksson, Urban; Svensson, Kim; Ouattara, Lassana – Physics Education, 2019
Describing the motion in a vertical roller coaster loop requires a good understanding of Newton's laws, vectors and energy transformation. This paper describes how first-year students try to make sense of force and acceleration in this example of non-uniform circular motion, which was part of a written exam. In addition to an analysis of the exam…
Descriptors: Motion, Science Instruction, College Freshmen, Physics