A thin wire of mass and length is bent to form a circular ring. The moment of inertia of this ring about its axis is
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Official Solution
Correct Option: (1)
Here, a thin wire of length is bent to form a circular ring
Then, [ is the radius of ring]
Hence, the moment of inertia of the ring about its axis
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PYQ 2010
medium
physicsID: upsee-20
Four balls each of radius and mass and are attached to the periphery of massless plate of radius . What is moment of inertia of the system about the centre of plate ?
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Official Solution
Correct Option: (2)
Moment of inertia of the system about the centre of plate is given by
