What are the magnitude and direction of the electric field that will balance the weight of an
The Attempt at a Solution
This is what I did:
My only question is, since W is downward, when I do my calculations, do I have to make it:
or do I simply just put it as W=+mg
If yes, why do i put it as +, or why do i leave it as negative, this is what i'm a bit confused about.
Thanks in advance!