What do electric forces between charges depend on?
a. the quantity of charge involved
b. how far apart the charges are.
c. both
a. and
b.
d. none of the above

Electrostatic forces between charges depend on the product of
the sizes of the charges, and the distance between them.

We should also mention the item about whether the charges are
both the same sign or opposite signs.  That determines whether
the forces will pull them together or push them apart, which is a
pretty significant item.

Go to the bathroom and vape

British cologoinst admisitrion