The moment of inertia of a circular ring of mass M and diameter r about a tangential axis lying in the plane of the ring is:
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Verified by ExpertsThe correct answer is:
A
The moment of inertia of a circular ring with mass
and diameter
about a tangential axis lying in the plane of the ring is calculated as follows:
Given the diameter
of the ring, the radius
is
.
The formula for the moment of inertia about a tangential axis in the plane of the ring is:

Substitute the value of
into the equation:

Therefore, the moment of inertia of the ring about the specified axis is
.
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