The moment of inertia of a thin uniform ring of mass 1 kg and radius 20 cm rotating about the axis passing through the center and perpendicular to the plane of the ring is –
A. 4 x 10-2 kg m2
B. 1 x 10-2 kg m2
C. 20 x 10-2 kg m2
D. 10 x 10-2 kg m2
Answer:B
The moment of inertia of a thin uniform ring of mass 1 kg and radius 20 cm rotating about the axis passing through the center and perpendicular to the plane of the ring is –
A. 4 x 10-2 kg m2 B. 1 x 10-2 kg m2 C. 20 x 10-2 kg m2 D. 10 x 10-2 kg m2