Equations Flashcards

1
Q

Density=

A

Mass / volume

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2
Q

Distance=

A

Speed x time

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3
Q

Acceleration=

A

Change in velocity/ time

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4
Q

Kinetic energy=

A

O.5 x mass x velocity2

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5
Q

Force=

A

Mass x acceleration

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6
Q

Momentum=

A

Mass x velocity

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7
Q

Work done=

A

Force x distance

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8
Q

Power=

A

Work done (energy transferred) / time

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9
Q

Spring constant=

A

Force / extension

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10
Q

Weight=

A

Mass x gravity

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11
Q

Gravitational Potential energy=

A

Mass x height x gravity

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12
Q

Pressure=

A

Force / area

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13
Q

Moment=

A

Force x distance

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14
Q

Charge flow=

A

Current x time

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15
Q

Potential difference=

A

Current x resistance

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16
Q

Energy transferred=

A

Charge x potential difference

17
Q

Power =

2 answers electricity

A

Potential difference x current
Or
Current2 x resistance

18
Q

Wave speed=

A

Frequency x wavelength

19
Q

Efficiency=

A

Useful output energy/ input energy