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20 terms

Simple Machines

flashcards for quiz on simple machines in Science
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Lever
What kind of machine is a pair of scissors?
Inclined Plane
What kind of machine is a staircase?
Wedge
What kind of machine is a ax splitting wood?
Wheel and Axel
What kind of machine is a wagon?
Screw
What kind of machine is a lid unscrewing from a bottle?
Pulley
What kind of machine is a clothesline?
Lever
What kind of machine is a bottle opener?
Lever
What kind of machine is a rake?
Wheel and Axel
What kind of machine is a mixer?
Work
This is the product of the force or effort needed to move a load multiplied by the distance it was moved.
Screw
This is a simple inclined plane type machine that consists of a spirally threaded cylindrical rod that engages with a similarly threaded hole.
Pulley
This is a small wheel with a grooved rim through which a rope of chains run. It changes the direction of a pulling force and combinations of these simple machines increase the force applied for lifting an object.
Gear
This is a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion.
Distance
This is the gap or measurement between two location.
Lever
This is a class of rotating machines or devices in which effort applied to one part produces a useful movement at another part. They are used for moving of lifting loads.
Force
This is an influence that produces a change in an object.
Lever
This simple machine is a rigid bar that pivots on a fulcrum to move or lift a load.
Inclined Plane
This simple machine is a slope or ramp that is used to lift a load. It trades distance for force
Wedge
This is a combination of two inclined planes that is if itself moved with force to cut apart or separate an object.
Wheel and Axel
This is a class of rotating machines or devices in which effort applied to one part produces a useful movement at another part. They are used for moving or lifting loads.