When a disc is rotating with angular velocity |
When a disc is rotating with angular velocity |
A solid sphere and a hollow sphere of the same material and of a same size can be distinguished without weighing |
|||||||
a) |
By determining their moments of inertia about their coaxial axes |
b) |
By rolling them simultaneously on an inclined plane |
c) |
By rotating them about a common axis of rotation |
d) |
By applying equal torque on them |
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