A ring and a disc having masses in the ratio 1:2 are made to rotate about their central axes. Both are acted upon by the same torque when they are at rest. Which one will have more angular velocity when torque has been removed from both after the same time? Both have the same radius.
A. Ring
B. Disc
C. Same for both
D. Depends on ratio of mass and radius
Answer:C
A ring and a disc having masses in the ratio 1:2 are made to rotate about their central axes. Both are acted upon by the same torque when they are at rest. Which one will have more angular velocity when torque has been removed from both after the same time? Both have the same radius.
A. Ring B. Disc C. Same for both D. Depends on ratio of mass and radius