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Physics
Choose the wrong statement
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Q. Choose the wrong statement
KEAM
KEAM 2015
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
Solution:
Correct answer is (c) Radius of gyration is a vector quantity