Question

three charges each of value q are placed at the corners of an equilateral triangle of force charge Q is placed at the the centre of the triangle .
1️⃣if Q= -q Vinda when the charge at corner start to move towards Centre or away from the centre.
2️⃣ for what value of Q at O will the charge remains constant​

Answer 1

Answer:

You can take help from these pictures.