Moment of inertia of a square plate of mass 'm ‘ and side ’a ' about the given axis is equal to (axis is in the plane of the plate and passing through its geometric centre).
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a
ma26
b
ma212
c
ma224
d
ma248
answer is B.
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Detailed Solution
Using perpendicular axis theoremIz=I+I⇒2I=ma26⇒I=ma212
Moment of inertia of a square plate of mass 'm ‘ and side ’a ' about the given axis is equal to (axis is in the plane of the plate and passing through its geometric centre).