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Forces and Motion 2

Vocabulary part 2

TermDefinition
force a push or pull that one object exerts on another
net force when two or more forces act on an object at the same time, the forces combine
balanced forces forces on an object that combine to give a zero net force and do not change the motion of the object
unbalanced forces forces that combine to produce a net force that is not zero and cause the velocity of an object to change
friction the force that opposes the sliding motion of two surfaces that are in contact
static friction the frictional force that prevents two surfaces in contact from sliding past each other
sliding friction the force that acts in the opposite direction to the motion of a surface sliding on another surface
air resistance opposes the motion of objects that move through the air
Created by: tguay
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