Physics - Rotation Question with Solution | TestHub

PhysicsRotationMiscellaneousMedium2 minQB
PhysicsMediuminteger

Four identical rings, each of mass m and radius R, form the shown AUDI pattern. The moment of inertia about the tangent axis is . Find a.

 

num2 diagram

Answer:
3
Solution:

Adjacent ring centres are separated by 3R/2, and the axis is tangent to the fourth ring.

Using I= mR²/2+md² for each ring and summing gives 111mR²/2.

Given I=37a mR²/2, we get a=3.

Stream:JEESubject:PhysicsTopic:RotationSubtopic:Miscellaneous
2mℹ️ Source: QB

Doubts & Discussion

Loading discussions...