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Ch 13 science
na
7
Science
8th Grade
05/05/2009

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Cards

Term
Gravity
Definition
is a force of attraction between objects that is due to their masses
Term
Weight
Definition
a measure of the gravitational force exerted on an object its value can change with the location of the object in the universe
Term
Mass
Definition
a measure of the amount of matter in an object
Term
Terminal velocity
Definition
the constant velocity of a falling object when the forceof air reistance is equal in the magnitude and opposite in direction to the force of gravity
Term
Free fall
Definition
the motion of a body when only the force of gravity is acting on the body
Term
projectile motion
Definition
the curved path that an object follows when thrown launched or otherwise projected near the surface of earth
Term
inertia
Definition
the tendency of an object to resist being moved or, if the object is moved or if the object is moving to resist a change in speed or directiopn until an outside force acts on the object
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