Question

Two uniform rods of equal length but different masses are rigidly joined to form an l shaped body

Answer 1

Image 1: problem

Image 2: solution

Answer 2

Answer:

√3

Explanation:

Net torque at point O should be zero.

Hence,

mg. r₁ = Mg. r₂

∴ M/m =  r₁/r₂

r₁ = l sin 60° = l.√3/2 ---- (1)

r₂ = l sin 30° = l. 1/2 --- (2)

∴ M/m = l.√3/2 / l. 1/2

∴ M/m = √3