Physics - Rotation Question with Solution | TestHub

PhysicsRotationMiscellaneousMedium3 minCT46
PhysicsMediumsingle choice

A concentric square hole is made in a square uniform plate (as shown in figure). About an axis passing through the center of the plate and perpendicular to its plane

CT46 m1 diagram

Options:

Answer:
B
Solution:

Removing the central square removes mass close to the axis.

Moment of inertia decreases, while I/M and hence radius of gyration increases.

Stream:JEESubject:PhysicsTopic:RotationSubtopic:Miscellaneous
⏱ 3mℹ️ Source: CT46

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