Lesson Plan: Lami’s Theorem | Nagwa Lesson Plan: Lami’s Theorem | Nagwa

Lesson Plan: Lami’s Theorem Mathematics

This lesson plan includes the objectives and prerequisites of the lesson teaching students how to solve problems about the equilibrium of a particle under the action of three coplanar forces using Lami’s theorem.


Students will be able to

  • state and understand Lami’s theorem,
  • use Lami’s theorem and the sine rule to find missing forces and angles in systems of three coplanar forces in equilibrium,
  • solve real-world problems using Lami’s theorem.


Students should already be familiar with

  • the sine rule,
  • forces in equilibrium.

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