Equations Flashcards by Theo Simpson

Q

Weight =

A

Mass x gravitational field strength

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Q

Work done =

A

Force x distance

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Q

Force applied to spring =

A

Spring constant x extension

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Q

Distance travelled =

A

Speed x time

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Q

Acceleration =

A

Change in velocity \ time taken

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Q

Resultant force =

A

Mass x acceleration

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Q

Momentum =

A

Mass x velocity

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Q

Kinetic energy =

A

O.5 x mass x (speed x2)

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Q

Gravitational potential energy =

A

Mass x gravitational field strength x height

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Q

Power (1)=

A

Energy transferred / time

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Q

Power (2)=

A

Work done \ time

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Q

Efficiency (1)=

A

Useful output energy transfer / total input energy transfer

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Q

Efficiency (2)=

A

Useful power output / total power input

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Q

Wave speed =

A

Frequency x wavelength

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Q

Charge flow =

A

Current x time

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Q

Potential difference =

A

Current x resistance

Q

Power (3)=

A

Potential difference x current

Q

Power (4)=

A

(Current x 2) x resistance

Q

Energy transferred (1)=

A

Power x time

Q

Energy transferred (2)=

A

Charge flow x potential difference

Q

Density =

A

Mass / volume