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3 particles each of mass m are kept at vertices of an equilateral triangle of side L. The gravitational field at centre due to these particles is

3 particles each of mass m are kept at vertices of an equilateral triangle of side L. The gravitational field at centre due to these particles is

(a)  Zero                                    (b) 3GM/L2

(c)  9 GM/L2                                (d) ( 12/√3) (GM/L2)

Answer: a

(32)

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