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How is a machine defined?

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Allstate3622

Lvl 1
8y ago
Updated: 8/21/2019

A machine is any man-made physical system with various moving parts that use energy to perform work. Machines reduce or replace the muscular or mental work of humans in accomplishing tasks. Simple machines include the lever, pulley, wheel and axle, wedge, and screw. Complex machines include clocks, computers, washers and dryers, pipe organs, locomotives, refrigerators, and automobiles.

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A machine is a tool containing one or more parts that uses energy to perform an intended useful action. Machines are usually powered by mechanical, chemical, thermal, or electrical means, and are often (but not necessarily) motorized.

The "six classical simple machines" of physics (lever, wheel and axle, pulley, inclined plane, wedge, screw) are the basic parts of mechanical machines, but machines can also include electronic, hydraulic, pneumatic, optical, thermal, etc. parts too.

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