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AQA Physics Year 1 > 10.4 Energy and efficiency > Flashcards

10.4 Energy and efficiency Flashcards

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1
Q

Work done is equal to?

A

» Force x distance

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2
Q

How do you derive the equation for output power?

A

» Distance = Velocity x time
» Power = Work done/ Time
Power = Fvt/t
Power = Fxv

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3
Q

The equation for efficiency is?

A

» Useful energy transferred by the machine/Energy supplied to the machine

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AQA Physics Year 1 (86 decks)

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