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Accelerating a car ...
Accelerating a car from rest : friction, power and forces
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- Isacsson, Andreas, 1975 (författare)
- Chalmers University of Technology,Chalmers tekniska högskola
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- Malmgren, Niklas (författare)
- Nösnäsgymnasiet
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- Pendrill, Ann Marie (författare)
- University of Gothenburg,Lund University,Lunds universitet,Nationellt Resurscentrum för Fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,National Resource Centre for Physics Education,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Göteborgs universitet
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(creator_code:org_t)
- 2023
- 2023
- Engelska.
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Ingår i: Physics Education. - 0031-9120 .- 1361-6552. ; 58:5
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Abstract
Ämnesord
Stäng
- The directions of frictional forces for bodies in motion are conceptually challenging. Students may be able to provide a correct solution using only calculus without drawing free-body diagrams. This can make their misconceptions go unnoticed and put them at risk to become further reinforced. Here, we discuss first-year bachelor students’ responses to multiple-choice questions and an open-ended question regarding friction when they come fresh out of high school. We further look into student solutions submitted to a national competition in physics for high-school students involving a problem concerning the acceleration of an electric rear-wheel drive car. Finding that most students had avoided drawing figures, we discuss to what extent teachers’ grading practices contribute to students’ development of problem-solving habits.
Ämnesord
- SAMHÄLLSVETENSKAP -- Utbildningsvetenskap -- Didaktik (hsv//swe)
- SOCIAL SCIENCES -- Educational Sciences -- Didactics (hsv//eng)
- SAMHÄLLSVETENSKAP -- Utbildningsvetenskap -- Lärande (hsv//swe)
- SOCIAL SCIENCES -- Educational Sciences -- Learning (hsv//eng)
Nyckelord
- acceleration
- free-body diagram
- friction
- grading
- graphs
- power
- pseudowork
- free-body diagram
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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