Lesson Plan: Newton’s Second Law of Motion Physics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to apply Newton’s second law of motion, 𝐹 = π‘šπ‘Ž, to find the accelerations caused by forces that act in various directions.


Students will be able to

  • use the formula 𝐹=π‘šπ‘Ž in all combinations, where 𝐹 can be the resultant of multiple forces acting along a line in the same or opposite directions,
  • substitute the value of π‘Ž calculated using 𝐹=π‘šπ‘Ž into kinematic formulas,
  • substitute the value of π‘Ž calculated using kinematic formulas into 𝐹=π‘šπ‘Ž,
  • substitute the value of π‘Ž determined using kinematic graphs into 𝐹=π‘šπ‘Ž.


Students should already be familiar with

  • velocity,
  • acceleration,
  • free-body force diagrams.


Students will not cover

  • variable mass bodies,
  • Newton’s third law of motion.

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