A force of 1 newton is equivalent to a weight of about 3.5 ounces or 100 grams.Īs we saw above, friction is an example of a force. However, if two like poles are moved close together (N and N or S and S), the magnets will repelįorce in the SI system of units is measured in newtons (N). If the unlike poles of two magnets are brought together (N and S), the magnets will attract each other.They don't exist without an active force. All these are examples of reactive forces. When you stand on the ground, it pushes up and supports you. ![]() If you try to compress a spring, the spring tries to expand and pushes back against your hand.
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