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25 Cards in this Set

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