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5F1

5F Ch1 Vocabulary

TermDefinition
work The use of force to move an object through a distance
friction A force that opposes motion when two surfaces rub against each other.
magnetism A force of pushing or pulling between magnetic poles.
gravitation A force that pulls all objects towards each other.
force A push or pull that causes an object to move, stop, or change direction.
machine A thing that makes work seem easier by changing the size or direction of a force.
balanced forces Forces equal in size and opposite in direction.
unbalanced forces Opposing forces of which one force is greater than the other.
power The amount of work done for each unit of time.
net force The value of combined forces on an object.
Created by: mbeisert
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