Newton's 3rd Law and electric charges

[bgq]

Hi,

Is Newton's 3rd law applicable to electric charges?

I have a problem with a situation where two identical positive charges moving perpendicular to each other. The magnetic forces exerted by each one on the other have same magnitude but their directions are not opposite.

 

[Meir Achuz]

NIII does not hold for moving charges. The momentum of the electromagnetic fields changes for two moving charges, so the sum of their mechanical momentum is not conserved.

 

[ASG141]

there is a Newton's third?