They will always contrast. Whether or not they will repel depends on the context. In electromagnetism they do not repel. In people, they might.
Two like charges will repel each and will be attracted to the opposite charges.
Negative * positive = negative Positive * positive = positive Negative * negative = positive
Like charges repel
Negative * positive = negative Positive * positive = positive Negative * negative = positive
A negative divided by a positive is negative. A negative divided by a negative is positive. A positive divided by a positive is positive. A positive divided by a negative is negative.
Positive end to positive end = repel Negative end to negative end = repel Negative end to positive end = attract
All of the metals attract and repel, but if a: negative and positive come together= attract positve and a negative come together= attract negative and negative come together= repel positive and positive come together= repel
they do because like magnets we have negative and positive ,negative and negative repel and vise verse but positive and negative attract
EX: ++ and -- (positive positive and negative negative)
they will definatly attract
It is like charges that repel each other. A charge may be positive or negative. Two positive charges repel, as do two negative charges. A positive and negative charge, however, attract each other. This is a fundamental law of electrostatics: like charges repel and opposite charges attract.
negative and positive charges
a positive and a positive or a negative and a negative. Object with the same charge. Like charges repel each other.
Neither charge on its own has an attractive force. Opposite charges (positive-negative) will attract while like charges (negative-negative or positive-positive) will repel.
two negative or positive repel each other
attract
'Like' charges (both positive or both negative) repel.Unlike charges (one of each) attract.