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Chpt. 4 Beier
Voc. words chpt. 4 Beier
10
Science
Not Applicable
12/07/2004

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Cards

Term
Newton's 2nd Law
Definition
says a net force acting on an object causes the object to accelerate in the direction of the net force.
Depends on: Mass of the object and the size of the force
Term
Air Resistance
Definition
a force air exerts on a moving object.
Depends on speed, shape, size and denisty of an object.
Term
Terminal Velocity
Definition
the highest velocity reached by a falling object.
Term
Projectile
Definition
anything that is shot or thrown through the air
ex. spit wad
Term
Centripetal Acceleration
Definition
Acceleration toward the center of a curved or circular path
Term
Centripetal Force
Definition
is a force acting toward the center of a curved or circular path
Term
Artificial Satellite
Definition
are human-made devices that orbit the Earth for specific purpose
Term
Newton's Third Law of Motion
Definition
describes action-reaction pairs this way: When one object exerts a force on a second object, the seconds one exerts a force object on the fist one that is equal in size and opposite in direction.
Term
Momentum
Definition
is a property a moving object has because of its mass and velocity.
Term
Law of Conservation of Momentum
Definition
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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