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22 Cards in this Set

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Force
An action that has an affect on another object's motion, either by pushing or pulling.
Mass
The amount of "stuff" or matter in an object.
Velocity
Speed with direction.
Weight
A force, which depends on the amount of pass pulling on the object or mass.
Force Meter
(Meter is Measure in Greek)
Used to measure a force.
Newton
Unit used to measure the amount of force an object exerts.

100 g of mass equals 1 newton (n)
Measuring Force
A newton (n) is equal to the force that a 100g mass exerts on the earth.
Motion
A change in an objects position when compared to a reference point.
Speed
Distance traveled in a given amount of time.

v=d/t (v=speed d=distance t=time)
Acceleration
A change in speed or direction.
Agent
The object that exerts the force.
Receiver
The object receiving the effect.
Effect
What happens.
Non-contact Force
One that doesn't come in contact with the object.

Ex. Gravitational, Centripetal
Contact Force
One that does come in contact with the object.
Newton's First Law
(The law of Inertia)
Objects at rest, remain at rest. Objects in motion, remain in motion-unless acted by an outside or unbalanced force.
Newton's Second Law
The change in motion (acceleration) of an object corresponds to the amount of force exerted on the object and takes place in the same direction.
Newton's Third Law
For every action, there is an equal but opposite reaction. (Forces come in pairs)
Contact Force
One that does come in contact with the object.

Ex. Frictional, Buoyant
Inertia
(Property of Matter)
the resistance of an object to change its motion.
Newton's Law of Gravitation
Gravitational attraction between two objects depend upon...
1)the mass of the two objects
2)the distance between the two objects
Types of Forces
Frictional- Carnival~bottle and book
Centripetal- Ferris Wheel
Magnetic- Carnival~Magnets and paper clips
Gravitational- Carnival~Paper
Electrical- Carnival~Socks and plastic
Buoyant- Carnival~Water and jar
Elastic- Carnival~Weights, Rubber band, and ruler