Answer:
Weber's law
Explanation:
According to Weber, the psychologists proposed that for each of our five senses, the degree of change in the stimulus that is required to product a just noticeable difference is reliant on the degree of intensity of the first presented stimulus. In other word, the change in a stimulus that will be just noticeable is constant with its first or original stimulus.
Answer:
Magnet - An object that attracts iron and a few (but not all) other
metals.
Magnetic Poles - Te parts of a magnet at which its force is strongest.
Magnetic Field - The space around a magnet in which the force of the
magnet acts.
Repel - To push back or away by a force.
Attract - to cause to draw near by a force witch one.
