Physics - Rotation Question with Solution | TestHub

PhysicsRotationMiscellaneousMedium2 minQB
PhysicsMediummultiple choice

A wire of mass M and length L lies on the x-axis with end A at the origin. Its linear mass density is , where x is measured from A. Mark the correct statement(s).

 

q10 diagram

Options:(select one or more)

Answer:
A,B,C,D
Solution:

M=∫₀ᴸλ₀x dx gives λ₀=2M/L².

IA=∫₀ᴸx²λ₀x dx=ML²/2.

xcm=2L/3, so Icm=IA-Mxcm²=ML²/18.

IB=∫₀ᴸ(L-x)²λ₀x dx=ML²/6.

All four statements are correct.

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

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