Laws of MotionHard
Question
Three rigid rods are joined to form an equilateral triangle ABC of side 1m. Three particles carrying charges 20 μ C each are attached to the vertices of the triangle. The whole system is at rest in an inertial frame. The resultant force on the charged particle at A has the magnitude.
Options
A.zero
B.3.6 N
C.3.6 √3 N
D.7.2 N
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