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Birkofer Ch. 18 A Word Scramble

 
 


 

 
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Question Answer
What is Work?is when a force causes and object to move in the direction of the force.
What is power?Power is the rate at which work is done
Define MachineA machine is a device that helps make work easier by changing the size or direction of a force.
levera simple machine consisting of a bar that pivots on a fixed point ( fulcrum ).
inclined planea simple machine that is a straight slated surface.
wedgeis a double sided inclined plane that moves
pulleyis a simple machine consisting of a grooved wheel that holds a rope or a cable
compound machinemade of two or more simple machines
Work inputthe work you do on a machine.
Work outputthe work done by the machine