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Energy - What does an Electric Motor do?
An electrical motor transfers electrical energy into rotational energy.
What are the Uses of Electric Motors?
Motors have a wide
variety of uses and are found
drills, fans, fridges, hair dryers, toothbrushes, vacuum cleaners,
water pumps (for fish tanks, central heating, fire fighting)
washing machines, hard disk drives, DVD players, electric vehicles
and industrial equipment including extruders,
fork-lift trucks, lathes, mills, hoists, robots and winches.
We would expect the efficiency of a motor to be
between 70 and 85%. The wasted energy is heat and sound.
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