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Three identical particle each of mass 100g are placed at vertices of an equilateral triangle of side length 13cm. Find force on one of the mass.

A

a.`(100 sqrt(3) G)/169`

B

b.`(150 sqrt(3) G)/169`

C

c.`(110 sqrt(3) G)/189`

D

d.`(170 sqrt(3) G)/229`

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