Question

Choose the wrong statement

• A. The centre of mass of a uniform circular ring is at its geometric centre
• B. Moment of inertia is a scalar quantity
• C. Radius of gyration is a vector quantity
• D. For same mass and radius, the moment of inertia of a ring is twice that of a unifonn disc
• E. Force in translational motion is analogous to torque in rotational motion

Answer 1

Answer: (C)

Correct answer is (c) Radius of gyration is a vector quantity