3 charges each equal to q micro coulomb are placed at the corners of an equilqteral triangel if the force acting between any two is F,then the net forceacting on each will be

Hi,

Just  consider the one of the charge

force on this charge will be F due to the second charge and  also F due to third charge

but these both forces will be along the side of the triangle directed away from other charges 

hence, the angle b/w these two F will be 60 degree

horz comp wud balance each other , but  vertical comp =  F cos30 + F cos 30 = root(3)* F

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