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Physics in Motion
Motion and Force definitions
12
Physics
7th Grade
09/03/2009

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Cards

Term
Balanced Forces
Definition
Forces that are equal and no change or motion happens
Term
Unbalanced Forces
Definition
Forces that are not equal and change or motion happens.
Term
Speed
Definition
Rate at which an object moves
Term
Motion
Definition
change in position in a given amount of time
Term
Acceleration
Definition
the rate of change in velocity
Term
Inertia
Definition
a property which resists change of motion
Term
Friction
Definition
a force that acts opposite to the direction and motion
Term
Gravity
Definition
force of attraction
Term
Weight
Definition
mass of an object affected by gravity
Term
Velocity
Definition
speed and direction
Term
Net Force
Definition
total force acting on an object
Term
Mass
Definition
all the matter in an object
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