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Krishnadas
 2 years ago
Best ResponseYou've already chosen the best response.0Reducing friction is one

ghazi
 2 years ago
Best ResponseYou've already chosen the best response.2reducing friction reducing components obviously advancement in design reducing strain avoiding overload proper maintenance and a lot more

JFraser
 2 years ago
Best ResponseYou've already chosen the best response.0reduced force is needed to use a machine, but a greater distance must be moved. Machines don't actually make work any less, they make the applied force less, so we think we're doing less work.
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