Equations Flashcards by Mya Skeete | Brainscape

Q

Energy transferred is equivalent to…

A

work done.

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Q

Work done =

A

Force x Distance

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Q

Change in gravitational potential energy store =

A

Weight x Change in Height or

Mass x Gravitational Field Strength (9.81) x Change in Height

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Q

Kinetic energy =

A

Mass x Speed*

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Q

Elastic potential energy =

A

1/2 x Spring Constant x Extension*

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Q

Efficiency =

A

Useful Output/Total Input

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Q

Power =

A

Energy Transferred/Time Taken

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Q

Charge flow =

A

Current x Time

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Q

Energy transferred in an electric circuit =

A

Charge Flow x Potential Difference

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Q

Resistance =

A

Potential Difference/Current

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Q

Total resistance of multiple components =

A

The sum of the resistance of each component.

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Q

Power supplied to a resistor =

A

Current* x Resistance

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Q

Energy transferred from mains =

A

Power x Time

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Q

Power supplied to an electrical appliance =

A

Current x Potential Difference

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Q

Density =

A

Mass/Volume

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Q

Specific latent heat of fusion =

A

Energy/Mass

Q

Specific latent heat of vaporisation =

A

Energy/Mass