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Displacement of COM:Application

The moment of...

Question

The moment of inertia is given about an axis perpendicular to the plane of a circular disc. To find the moment of inertia about an axis along a diameter use the

A

parallel axis theorem

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B

perpendicular axis theorem

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C

conservation of angular momentum

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D

conservation of energy

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Solution

The correct option is B
perpendicular axis theorem

use perpendicular axis theorem because diameter is perpendicular to the axis that is passing through the centre of the disc.

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