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Simple Machines

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
machines   mechanical device that helps transfer force to help people work  
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simple machines   only require manual force from people or animals  
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arm   beam or bar of lever  
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fulcrum   pivot point on lever  
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load   object to be moved  
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effort   force needed to move the load  
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inclined plane   sloping surface used to move objects  
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inertia   resistance of object to change  
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pulley   simple machine made of a grooved wheel and a rope  
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axis   imaginary line that passes through an object  
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screw   inclined plane spiraled around an axis  
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wedge   a double inclined plane that tapers to a point  
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effort   force applied to move a load  
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force   to push or pull  
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newton   metric unit to measure force  
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wheel and axle   2 wheels of different size rotate on the same axis  
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gear   a toothed wheel  
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work   when an object moves  
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Created by: cbergh
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