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Simple Machines

QuestionAnswer
pulley A wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope
wedge A device that tapers to a thin edge and is used for splitting, raising heavy bodies, or for tightening by being driven into something.
screw An inclined plane wrapped around a cylinder
wheel and axle A large wheel with a rod, called an axle, through its center
inclined plane A flat surface set at an angle used to help raise or lower objects.
lever A rigid bar pivoted about a fulcrum.
fulcrum The fixed point around which a lever pivots
compound machine A machine made of more than one simple machine
simple machine A machine that makes work easier by changing the amount of force you exert or the distance over which you exert the force
mechanical advantage The force applied by the machine is greater than the force you put in.
Created by: ccmsA6
 

 



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