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Direct linkFeldman, Gerald – Physics Teacher, 2011
An operational understanding of Newton's third law is often elusive for students. Typical examples of this concept are given for contact forces that are closer to the students' everyday experience. While this is a good thing in general, the reaction force can sometimes be taken for granted, and the students can miss the opportunity to really think…
Descriptors: Scientific Principles, Science Instruction, Physics, Scientific Concepts
