Questions
The moment of inertia of a ring of mass m and radius r about an axis, passing through the centre and perpendicular to the plane of the ring, is:
a
(1/2)mr2
b
mr2
c
(1/4)mr2
d
(3/4)mr2
detailed solution
Correct option is B
for a ring about an axis perpendicular to its plane and passing through its center is mr2 because all the masses are at a distance r from the axis.Talk to our academic expert!
Similar Questions
Two discs have mass ratio 1 : 2 and diameter ratio 2 : 1, then find the ratio of their moments of inertia.
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