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forces and motion
voc
14
Science
6th Grade
04/18/2013

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Cards

Term
Force
Definition
A Push or pull of an object
Term
Net Force
Definition
ALL forces acting on an object
Term
Contact Force
Definition
A push or pull on an object that is TOUCHING.
(Example - Kicking a soccer ball)
Term
Non-Contact Force
Definition
A push or pull on an object that is NOT TOUCHING.
(Example - Hair vs. Balloon)
Term
Balanced Force
Definition
Forces that combine and form a net force of zero.
(Example - Water balloon being pulled from both sides equally)
Term
Unbalanced Force
Definition
Forces that combine and form a net force that is NOT Zero
Term
Inertia
Definition
When an object resists change in its motion.
(Example - When a car stops moving)
Term
Friction
Definition
Two surfaces that resist each other in a sliding motion that are touching.
(Example - Lighting a match)
Term
Gravity
Definition
a force that exits between all objects that have mass
(Example - the solar system)
Term
Mass
Definition
The amount of matter IN an object
Term
Circular motion
Definition
When an object is moving along a curved path.
(Example - Earth orbiting the sun)
Term
Acceleration
Definition
Increase of speed of an object.
(Example - A car that speeds up)
Term
Velocity
Definition
The actual speed of an object
Term
Air Resistance
Definition
When air holds an object
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