Lami's Theorem

Lami's Theorem states that if three coplaner forces acting at a point be in equilibrium, then each force is proportional to the sine of the angle between the other two forces. Mathematically
Lami's Theorem
where P, Q and R are the three forces and α, β and γ are the angles as shown in Fig 1.2.


  1. 3 co-planar concurrent forces. not co-planar forces

    1. Acting at a point implies concurrent😊


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