## Acceleration and Momentum

##### Created by:

marnyhyde  on March 1, 2012

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# Acceleration and Momentum

 Newton's second law of motiona net force acting upon an object causes the object to accelerate in the direction of the force
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#### Definitions

Newton's second law of motion a net force acting upon an object causes the object to accelerate in the direction of the force
air resistance force air exerts on a moving object
terminal velocity highest velocity that will be reached by a falling object
projectile anything thrown or shot through the air
centripital acceleration acceleration towards the center of a curved or circular path
centripital force force acting towards the center of a curved path
artificial satellite human-made devices that orbit Earth
Newton's third law of motion action-reaction: when one object exerts a force on a second object, the second one exerts a force on the first that is equal in size and opposite in direction
momentum property of a moving object based on its mass and velocity
law of conservation of momentum states that the total amount of momentum of a group of objects does not change unless outside forces act on the objects

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