Equations Flashcards by Sacha Rose

Q

Weight=

A

Mass x gravitational field strength

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Q

Work=

A

Force x distance

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Q

Distance =

A

Speed x time

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Q

Force applied to a spring =

A

Spring constant x extension

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Q

Efficiency =

A

Useful energy output / total energy input

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Q

Kinetic energy =

A

0.5 x mass x v^2

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Q

Gravitational potential energy=

A

Height x mass x gravity

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Q

Momentum=

A

Mass x velocity

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Q

Energy transferred =

A

Power x time

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Q

Acceleration =

A

Change in speed / time taken

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Q

Resultant force =

A

Mass x acceleration

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Q

Power W=

A

Energy transferred/ time

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Q

Power W =

A

Work done / time

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Q

Wave speed =

A

Frequency x wave length

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Q

Charge flow =

A

Current x time

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Q

Potential difference =

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A

Current x resistance

Q

Power=

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A

Potential difference x current

Q

Power=

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A

Potential difference x current

Q

Energy transferred =

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A

Charge flow x potential difference

Q

Density kg/m3

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A

Mass / volume

Q

Power =

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A

(Current)2 x resistance