p1- work, power and effiency Flashcards by Cerys Verschuren | Brainscape

Q

what does work done equal?

A

energy transferred

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Q

how do you calculate work done?

A

force x distance

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Q

how do you calculate power?

A

work done ÷ time

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Q

how do you calculate effiency?

A

useful energy transferred ÷ total energy supplied

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