Three identical thin rods each of length l and mass M are joined together to form a letter H. What is the moment of inertia of the system about one of the sides of H?

Three identical thin rods each of length l and mass M are joined toget

1.	Three identical thin rods each of length l and mass M are joined together to form a letter H. What is the moment of inertia of the system about one of the sides of H?
Answer» `(1)/(6) ML^2` `(1)/(4) Ml^2` `(2)/(3) Ml^2` `(4)/(3) Ml^2` Solution :Moment of inertia of the system about ROD A `I = I_(A) + I_(B) + I_(C) =0 + ((Ml^2)/(12)+ (Ml^2)/(4)) + Ml^(2) = (4)/(3) Ml^(2)`