Question

A circular disc D₁ of mass M and radius R has two identical discs D₂ and D₃ of the same mass M and radius R attached rigidly as its opposite ends (see figure). The moment of inertia of the system about the axis OO’, passing through the centre of D₁ as shown in the figure, will :
(A) MR²
(B) 3MR²
(C) (4/5)MR²
(D) (2/3)MR²

Answer 1

Explanation:

The answer is the option B is the answer