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

Question

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, Zero, L 2 3 GM ​, L 2 9 GM ​, 3 ​ 12 ​ L 2 GM ​

MARKS App · Accepted Answer

Due to three particles net intensity at the centre I = I A ​ + I B ​ + I C ​ = 0 because out of these three intensities one equal in magnitude and the angle between each other is 12 0 ∘ .

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