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Three particles of mass m each are place...

Three particles of mass m each are placed at the three corners of an equilateral triangle of a. The work which should be done on this system to increase the sides of the triangle to 2a will be

A

`(3Gm^2)/a`

B

`(3Gm^2)/(2a)`

C

`(Gm^2)/(2a)`

D

`(3G^2m)/(2a)`

Text Solution

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The correct Answer is:
B
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