earth science
Help!
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| what are the 6 simple machines? | lever ,pulley ,inclined plane , screw ,wedge , and the wheel and axle.
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| work | using force (pushing or pulling)in order to move an object or make a change
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| lever | a simple machine made of a bar resting on a fulcrum
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| fulcrum | the support on which a lever and its load rests upon
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| force | any push or pull
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| effort | the force used on a simple machine
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| load | the weight that is to be lifted or moved
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| wheel and axle | a simple machine made of a wheel and a rod jammed into the center
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| pulley | a simple machine made of a wheel with a rope around it
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| wedge | a simple machine that is made of 2 inclined planes put together and that can be driven into another material
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| screw | a simple machine made of a stick with ridges wrapped around it
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| friction | force that acts when 2 surfaces are rubber together
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jamjon93
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