Question

three charges of 1mc placed at corners of an equilateral triangle of side 10cm. find magnitude of force on each charge.

Answer 1

net force on one side will be 2Fcos30

2 * 10^-6 * 10^-6 * 9 * 10^9/(10 * 10^-2)^2 x √3/2

1.8 * √3/2

0.9*√3

1.53