Perpetual motion meaning

Perpetual motion definition

A situation where a device will turn forever because there is no friction between the moving part and the stationary part. Although friction can be greatly reduced, it can never be eliminated. Thus a perpetual motion machine is impossible.
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Automotive Dictionary Index

Automotive terms beginning with "P", page 10

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 2 3 4 8
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

P: Page 10 of 26.

Pegaso Pegs Penetrating oil Penny-farthing Pent-roof Percolation Perf Perimeter frame Periphery Permanent magnet Perpetual motion Petcock

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