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Three point masses each of mass m are pl...

Three point masses each of mass m are placed at the corners of an equilateral triangle of side b. The moment of inertia of the system about an axis coinciding with one side of the triangle is

A

`3mb^(2)`

B

`mb^(2)`

C

`(3//4)mb^(2)`

D

`(2//3)mb^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
`I = m xx (sqrt(3b) //2)^(2) = 3mb^(2)//4`.
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