Equations (Paper 2) Flashcards by Dominique Dizon

Q

Work done

A

Force x distance

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Q

Power

A

Work done / time taken

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Q

Moment of force

A

Force x distance normal to the force

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Q

Energy transferred (2 equations)

A

Charge moved x potential difference

Current x potential difference x time

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Q

Charge

A

Current x time

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Q

Potential difference

A

Current x resistance

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Q

Electrical power (2 equations)

A

Current x potential difference

Current squared x resistance

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Q

Density

A

Mass / volume

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Q

Force exerted on a spring

A

Spring constant x extension

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Q

Pressure

A

Force normal to surface / area of surface

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