The opposite of weak is strong.Where weak means dilute, the opposite is concentrated.
Strength. Forte. (There is no exact opposite.)
Strength ,
What are forces of equal strength acting in opposite directions on an object called
Strength
the answer is equilibriumequilibrium
Rarely to to opposing force (opposite forces) push with the same exact force (strength). Usually one force or the other will prevail.
It is -1 (equal and opposite).
The poles of a magnet are of equal strength but opposite polarity.
If an acid or alkali is spilt you add the opposite to it of of equal strength.
Plywood is made in layers running it opposite directions which give it much more strength than a board that really only has strength in the direction of the grain.
They are equal in magnitude but opposite in charge.