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10 Cards in this Set
- Front
- Back
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machine
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any tool that makes work easier
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efficiency
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how well something works
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compound machine
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made of more than one simple machine
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lever
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a simple machine used to lift things
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fulcrum
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the point on which a lever is supported
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axle
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a shaft on which wheels turn
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incline
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slope
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complex machine
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a machine made of compund and simple machines
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wedge
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a simple machine that tapers to a thin edge that is used to split something
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pulley
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a wheel with a grooved rim that helps to change the direction of something by using force
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