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PHYSICS Vocab Squares
FORCE & MOTION
WORD:
DEFINITION:
PICTURE:
FORMULA:
FORCE
A PUSH OR A PULL ON AN OBJECT.
ANYTHING THAT CAUSES THE SHAPE OR MOTION
OF AN OBJECT TO CHANGE.
FORCES CAUSE OBJECTS TO SPEED UP, SLOW DOWN, OR CHANGE
DIRECTION. Force =
mass x acceleration
WORD:
DEFINITION:
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FORMULA:
BALANCED FORCE
OPPOSING FORCES ARE EQUAL SO THAT
NO CHANGE IN MOTION OCCURS.
WHEN FORCES ARE BALANCED THE NET
FORCE IS ZERO.
N/A
WORD:
DEFINITION:
PICTURE:
FORMULA:
UNBALANCED FORCE
PRODUCE A CHANGE IN MOTION.
THE NET FORCE ON AN OBJECT IS NOT ZERO.
N/A
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DEFINITION:
PICTURE:
FORMULA:
INERTIA
The tendency of all objects to resist any
change in motion(based on mass)
Big Mass Small MassBig Inertia Small Inertia
N/A
WORD:
DEFINITION:
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FORMULA:
THE SI UNIT FOR FORCE.
NEWTON
N/A
WORD:
DEFINITION:
PICTURE:
FORMULA:
NET FORCE
THE FORCE THAT RESULTS FROM
COMBINING ALL THE FORCES EXERTED ON
AN OBJECT.*Add if in same direction.*Subtract if opposite directions
25 N 10 N
WORD:
DEFINITION:
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FORMULA:
GRAVITY
THE FORCE OF ATTRACTION
BETWEEN OBJECTS DUE TO THEIR
MASSES.
The larger the mass the greater the
gravity.
N/A
WORD:
DEFINITION:
PICTURE:
FORMULA:
WEIGHT
A MEASURE OF THE GRAVATIONAL
FORCE ON AN OBJECT.
ITS VALUE CAN CHANGE WITH THE LOCATION OF THE
OBJECT IN THE UNIVERSE. N/A
WORD:
DEFINITION:
PICTURE:
FORMULA:
MASS
N/A
THE AMOUNT OF MATTER IN AN
OBJECT.
ITS VALUE DOES NOT CHANGE
WITH THE OBJECT’S
LOCATION IN THE UNIVERSE.
WORD:
DEFINITION:
PICTURE:
FORMULA:
INCLINED PLANE
N/A
A SIMPLE MACHINE MADE OF A FLAT SURFACE SET AT AN ANGLE THAT REDUCES THE AMOUNT OF FORCE REQUIRED TO MOVE AN OBJECT
WORD:
DEFINITION:
PICTURE:
FORMULA:
PULLEY
N/A
A SIMPLE MACHINE MADE OF A WHEEL AND ROPE USED TO CHANGE THE DIRECTION OF THE FORCE
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DEFINITION:
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Types of friction:
FRICTION
A force that appears whenever two objects touch each other.
Friction opposes motion between two surfaces in contact.
Causes heat, wear & tear, and slows object down.
Sliding, rolling, fluid, static, wind resistance/drag
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DEFINITION:
PICTURE:
Reference Point:
stays still while object moves past it
Motion
an object’s change in position relative to a reference point over a period of time
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DEFINITION:
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Speed
the numeric relationship between a distance…and the time needed to move that distance -or-
Distance divided by Time FORMULA:
S= d t
WORD:
DEFINITION:
PICTURE:
Velocity
The speed of an object in a particular direction
Speed + Direction- or - Synonyms:
rapidity, swiftness
DistanceTime
+ Direction
WORD:
DEFINITION:
PICTURE:
Acceleration
the rate at which velocity changes; an object accelerates if its speed, direction or both change
Formula: (don’t memorize)
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