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Why do poles on a magnet attract and repel?
Poles on a magnet attract or repel because of the way the electrons line up. The electrons in the valence shells tend to line up on one side of the nucleus. The electrons have a negative charge and the nucleus has a positive charge. The negative charges in one magnet repel the negative charges in another magnet but attract the positive charges in another magnet.
A magnet has both a positive side and a negative side. can you just have a magnet that is positive?
No, magnets always have both a north pole (positive) and a south pole (negative). This is a fundamental property of magnets according to magnetic theory. It is not possible to have a magnet with just one pole.
What is health what is one way you can change a negative atitude to a positive one?
cheese and crackers
What can have positive or negative value depending on the direction of the change in position?
Velocity can have positive or negative value depending on the direction of the change in position. Positive velocity indicates motion in one direction, while negative velocity indicates motion in the opposite direction.
Rules for adding integers?
When you add: a negative and a negative: you get a negative a positive and a positive: you get a positive a positive and a negative or a negative and a positive: Subtract the addend with the smaller value from the greater one. If the greater one is positive, your answer will be positive. If the greater addend is negative, your answer will be negative.
What does a negative and a positive number equal?
It depends what you do with the two numbers. -- If you just leave them sitting there, then they don't change. The negative one remains negative, and the positive one remains positive. -- If you multiply or divide either one by the other one, the result is negative. -- If you add either one to the other, or subtract either one from the other, then the result can be either positive or negative, depending on the relative sizes of the original two numbers.
How do you add positive and negative fractions?
-- Remember which one was positive and which was negative, then forget about the signs.-- Write down the one that was positive-- Subtract from it the one that was negative(Notice that if the negative one was bigger, then the answer will be negative.)
What is the positive and negative advantages?
Positive one are helpful, negative one are unhelpful
Can there be one magnet with two positive sides?
No
When you mutiply a positive number by a negative one what is the sign of the answer?
The answer will ALWAYS be negative positive x negative=negative and vice versa positive x positive= positive
Why when we attract two pins with a magnet the pins will repel?
If you can attract the same two pins with one magnet, then they are both of either positive or negative charge. Because they have the same charge, the pins will repel each other.
When you multiply a positive number by a negative by a negative one what is the sign of the answer?
A negative times a positive is a negative and that negative times a negative would = a positive. So the answer would be a positive number. *<:)
