Question

If two circular discs A and B are of same mass but of radii r and 2r respectively, then the moment of inertia of A is

• A. the same as that of B
• B. twice that of B
• C. four times that of B
• D. half that of B
• E. one-fourth that of B

Answer 1

Answer: (E)

Correct answer is (e) one-fourth that of B