Research digest: The paper targets persistent misconceptions about force pairs, motion, and interaction. EJS is used to make otherwise invisible relationships inspectable so students can test ideas instead of memorising law statements.
Classroom use: Use a scenario where students predict forces, run the model, and revise the force explanation. Include both bodies in every interaction diagram.
Paper: arXiv:1303.0081
Authors: Khoon Song Aloysius Goh, Loo Kang Wee, Kim Wah Yip, Ping Yong Jeffrey Toh, Sze Yee Lye
Publication: 5th Redesign Pedagogy Conference
Theme: Inquiry for Newton's first and third laws

What teachers can take from this
The paper targets persistent misconceptions about force pairs, motion, and interaction. EJS is used to make otherwise invisible relationships inspectable so students can test ideas instead of memorising law statements.
Use it tomorrow
Use a scenario where students predict forces, run the model, and revise the force explanation. Include both bodies in every interaction diagram.
Pedagogical move
Make students name the two objects in each action-reaction pair; this prevents the common error of placing both forces on one object.
Good discussion prompts
- What evidence does the model, video, or activity make visible?
- Which variable should students change first, and what should they keep constant?
- What claim can students make from the evidence, and what limitation should they acknowledge?