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COMBINED SCIENCE🩷 > energy effiencieny > Flashcards

energy effiencieny Flashcards

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Biology 101 flashcards
1
Q

how do many machienes waste energywha

A

Due to friction

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2
Q

what does friction do

A

friction heats up moving objects

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3
Q

how can friction be reduced

A

by lubrication

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4
Q

examples of lubrication

A

oil or other liquids

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5
Q

how to calculate efficiency

A

useful energy transferred by device over total energy transferred by device

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COMBINED SCIENCE🩷 (4 decks)

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