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25 Cards in this Set
- Front
- Back
ACCELERATION
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A CHANGE IN AN OBJECT'S SPEED OR DIRECTION
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BALANCED FORCES
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FORCES THAT ACT AGAINST EACH OTHER BUT DO NOT CAUSE A CHANGE IN MOTION
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BUOYANT FORCE
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THE UPWARD PUSH OF A LIQUID OR GAS ON AN OBJECT
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EFFICIENCY
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HOW MUCH WORK A MACHINE DOES COMPARED WITH HOW MUCH ENERGY IS PUT INTO IT
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ENERGY
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THE ABILITY TO DO WORK
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FORCE
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A PUSH OR PULL
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FRICTION
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A FORCE BETWEEN 2 SURFACES RUBBING AGAINST EACH OTHER. FRICTION WORKS AGAINS MOTION!
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EFFICIENCY
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HOW MUCH WORK A MACHINE DOES COMPARED WITH HOW MUCH ENERGY IS PUT INTO IT
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GRAVITY
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THE FORCE THAT PULLS OBJECTS TOWARD EACH OTHER
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KINETIC ENERGY
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THE ENERGY OF MOTION
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LEVER
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A SIMPLE MACHINE MADE OF A LONG BAR OR BOARD THAT MOVES AN OBJECT FROM ITS RESTING PLACE
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MACHINE
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A TOOL THAT MAKES WORK EASIER, USUALLY BY ALLOWING YOU TO USE LESS FORCE
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MOTION
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A CHANGE IN THE POSITION OF AN OBJECT
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NEWTON
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THE UNIT OF FORCE IN THE METRIC SYSTEM
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PHYSICAL SCIENCE
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THE STUDY OF MATTER, FORCES, MOTION, AND ENERGY
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POTENTIAL ENERGY
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ENERGY THAT IS STORED IN AN OBJECT
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POWER
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THE AMOUNT OF WORK DONE IN A CERTAIN AMOUNT OF TIME
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PULLEY
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A SIMPLE MACHINE MADE OF A WHEEL WITH A ROPE OR CHAIN WRAPPED AROUND IT.
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SIMPLE MACHINE
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A TOOL THAT MAKES IT EASIER TO MOVE AN OBJECT
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SPEED
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THE DISTANCE AN OBJECT MOVES PER UNIT OF TIME, SUCH AS MILES PER HOUR OR METERS PER SECOND
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UNBALANCED FORCES
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FORCES THAT ARE UNEQUAL IN SIZE OR DIRECTION AND THAT CHANGE AN OBJECT'S MOTION
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VELOCITY
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THE SPEED AND DIRECTION AN OBJECT IS MOVING
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WORK
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WHEN A FORCE MOVES AN OBJECT THROUGH A DISTANCE
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inclined plane
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a simple machine made of a flat, sloping surface
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inertia
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the tendency of an object to resist change in motion
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