Simple machines: Examples include the lever, the pulley, inclined plane, wedge, wheel and axle. , Have few parts. , Have only one point of support. , Designed to do simple and safe work. , They do not necessarily need electricity to work. , Complex machines: Examples include computers, tvs, cell phones, tablets, etc. , Have many parts., Have more than one point of support. , Designed to do complex work. , They usually require a source of electricity to work. ,

Simple and complex machines

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