Lesson: Lami’s Theorem Mathematics • Second Year of Secondary School

In this lesson, we will learn how to solve problems about the equilibrium of a particle under the action of three coplanar forces using Lami’s theorem.

Lesson Plan

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.