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Newton's Third Law: Action-Reaction
Physics · JC 1 · Dynamics: Forces and Newton's Laws · Semester 1

Newton's Third Law: Action-Reaction

Students will understand Newton's Third Law, identifying action-reaction pairs and applying the law to various interactions.

MOE Syllabus OutcomesSingapore MOE H2 Physics (9749): Newtonian Mechanics, Dynamics: Show an understanding that mass is the property of a body which resists change in motionSingapore MOE H2 Physics (9749): Newtonian Mechanics, Dynamics: Define and use weight as the force on a body due to a gravitational fieldSingapore MOE H2 Physics (9749): Newtonian Mechanics, Dynamics: Recall and apply the relationship W = mg

About This Topic

Students will understand Newton's Third Law, identifying action-reaction pairs and applying the law to various interactions.

Key Questions

  1. Explain how Newton's Third Law applies to the propulsion of a rocket.
  2. Compare action-reaction forces with balanced forces acting on a single object.
  3. Justify why action-reaction forces do not cancel each other out.

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Planning templates for Physics

Edited by Adriana Perusin, Editor-in-Chief, Flip Education
Synthesized by Flip Education from Lyman's Think-Pair-Share collaborative-discussion routine (1981)