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11 Cards in this Set

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Newtons second law of motion
states that the acceleration of an object is in the same direction as the net force on the object, and that the acceleration can be calculated
friction
the force that opposes the sliding motion of 2 surfaces that are touching each other
static friction
the frictional force that prevents 2 surfaces from sliding past each other
sliding friction
the force that opposes the motion of 2 surfaces sliding past each other then forming again as the box slides along the floor
air resistance
opposes the motion of objects that move through the air
gravity
an attractive force between any two objects that depends on the masses of the objects and the distance between them
weight
the gravitational force exerted on an object
centripetal acceleration
acceleration toward the center of a curved or circular path
centripetal force
the net force exerted toward the center of a curved path
Newtons third law of motion
describes action-reaction pairs this way: When one object exerts a force on a second object, the second one exerts a force on the first that is equal in strength and opposite in direction
momentum
the product of its mass and velocity