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11 Cards in this Set

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  • Back
simple machines
the basic machines that make up other machines.
lever
is made up of a bar that turns on a fixed point.
fulcrum
a fixed point or one that does't move.
effort force
when you push or pull a lever.
work
this is done when on an object when a force moves the object through a distance
pulley
made up of a rope or chain and around the which the rope fits.
wheel and axle
made up of a large wheel attached to a smaller wheel or rod.
inclined plane
a flat surface that has one end higher than the other end.
efficiency
is how well a machine changes effort into useful work.
screw
an inclined plane wraped around a pole.
wedge
this is formed when two inclined are placed back to back.