Quick Coulomb's Law Question

[Procrastinate]

If I have a positive and negative charge, say -1C and +1C, will the force of attraction be the same as the force of repulsion for a +1C and a +1C charge?

I've been trying to teach this electrostatics chapter to myself before term commences so I can get a bit of a head start.

 

[Doc Al]

If I have a positive and negative charge, say -1C and +1C, will the force of attraction be the same as the force of repulsion for a +1C and a +1C charge?

Yes. (Assuming the charges are the same distance apart, of course.) The force is given by Coulomb's law.

 

[RoryP]

Try plugging some values into the equation for the force of electrostatic repulsion/attraction and see what happens =]