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Physics Equations To Learn > Formula To Learn > Flashcards

Formula To Learn Flashcards

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1
Q

Power

A

Work done / time taken

J). (S

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2
Q

Work done

A

Force x distance

N). (M

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3
Q

Speed

A

Distance / time

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4
Q

Vector quantities

A

Have both a size, magnitude and direction

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5
Q

Scalar quantities

A

Only have a magnitude

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6
Q

Physical quantities

A

Length velocity area energy

Weight speed

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7
Q

Gravitational potential energy

A

Mass x gravitational field strength x height

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8
Q

Kinetic energy

A

1/2 x mass x velocity2 (squared)

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9
Q

Weight

A

Mass x gravitational field strength

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10
Q

Momentum

A

Mass x velocity

Kg). (M/s

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11
Q

Change in momentum

A

Force x time

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12
Q

Efficiency

A

Useful energy transferred / total energy supplied

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13
Q

Acceleration

A

Change in velocity / time taken

A = (v-u)
T

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14
Q

Distance travelled

A

Average speed x time

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15
Q

Force

A

Mass x acceleration

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16
Q

Wave speed

A

Frequency x wavelength

17
Q

Wave speed

A

Distance / time

18
Q

Energy transferred

A

Change moved x potential difference

19
Q

Charge

A

Current x resistance

20
Q

Potential difference

A

Current x resistance

21
Q

Power

A

Energy transferred (J) / time taken

22
Q

Electrical power

A

Current x potential difference

23
Q

Electrical power

A

(Current)2 x resistance

24
Q

Force exerted on a spring

A

Spring constant x extension

25
Q

Density

A

Mass / volume

26
Q

Force

A

Change in momentum / time

27
Q

Change in thermal energy

A

Mass x specific heat capacity x change in momentum

28
Q

Thermal energy for a change in state

A

Mass x specific latent heat

29
Q

Energy transferred in stretching

A

0.5 x spring constant x (extension)2

30
Q

For transformers with 100% efficiency

A

Potential difference in primary coil x current in primary coil = potential difference across secondary coil x current in secondary coil

31
Q

Energy transferred

A

Current x potential difference x time

32
Q

Force on a conductor at right angles to a magnetic field carrying a current

A

Magnetic flux density x current x length

33
Q

Force

A

Magnetic field strength x current x length of wire

34
Q

Density

A

Mass / volume

35
Q

Mass

A

Volume x density

36
Q

Volume

A

Mass / density

37
Q

Energy

A

Energy = mass x specific latent heat

38
Q

Mass

A

Energy / specific latent heat

39
Q

Specific latent heat

A

Energy / mass

Physics Equations To Learn (1 decks)

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