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Name three devices of inventions which are designed to decrease friction
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1 vote
Name three devices of inventions which are designed to decrease friction

User BogdanC
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3 votes
Water , Smooth surfaces (plastic etc) and magnetic levitation
User Andrew Marin
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7.1k points
2 votes
Soft Rubber soles on climbing boots.
Brake pads. magnetic friction
User Sstur
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7.2k points
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