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Three particles of masses 1 kg, 2 kg an...

Three particles of masses 1 kg, 2 kg and 3 kg are at distance 1 m, 2 m and 3 m from the axis of rotation. The moment of intertia of the system is

A

`24 kg m^(2)`

B

`12 kg m^(2)`

C

`36 kg m^(2)`

D

`48 kg m^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
`l = sum mr^(2)=1(1)^(2)+2(2)^(2)+3(3)^(2)`
`= 1+8+27`
`36 kg m^(2)`.
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Knowledge Check

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