Physics - Rotation Question with Solution | TestHub

PhysicsRotationCalculation of M.I.Easy2 minPYQ_2018

PhysicsEasysingle choice

A thin circular disk is in the $x y$ plane as shown in the figure. The ratio of its moment of inertia about $z$ and $z'$ axes will be:

Answer:

Solution:

$I_{Z} = \frac{m R^{2}}{2}$

(by parallel axis theorem)

${I_{z}}^{'} = \frac{3}{2} m R^{2}$

$\frac{I_{Z}}{I_{z}'} = \frac{1}{3}$

Stream:JEESubject:PhysicsTopic:RotationSubtopic:Calculation of M.I.

⏱ 2mℹ️ Source: PYQ_2018

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