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GCSE Edexcel Physics 9-1 Course > Formulas for Test > Flashcards

Formulas for Test Flashcards

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1
Q

Distance travelled = ?

Using speed

A

Average speed x time

D

S T

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2
Q

Average speed = ?

A

Distance / time

D

S T

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3
Q

Time taken = ?

Using speed

A

Distance travelled / average speed

D

S T

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4
Q

Acceleration = ?

Using velocity

A

Change in velocity / time taken

a = (v-u)
——
t

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5
Q

Acceleration = ?

Using force

A

Force / mass

   F

M A

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6
Q

Force = ?

Using acceleration

A

Mass x acceleration

   F

M A

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7
Q

Mass = ?

Using force

A

Force / acceleration

   F

M A

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8
Q

Weight = ?

A

Mass x gravitational field strength

 W

M G

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9
Q

Mass = ?

Using weight

A

Weight / gravitational field strength

 W

M G

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10
Q

Gravitational field strength =?

Using weight

A

Weight / mass

 W

M G

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11
Q

Momentum =?

using velocity

A

Mass x velocity

  P

M V

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12
Q

Mass = ?

Using momentum

A

Momentum / velocity

  P

M V

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13
Q

Velocity =?

Using momentum

A

Momentum / mass

  P

M V

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14
Q

Change in gravitational potential energy = ?

A

Mass x gravitational field strength x change in vertical height

ΔGPE = m x g x Δh

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15
Q

Kinetic energy = ?

A

½ x mass x (speed squared)

½ x m x v²

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16
Q

Efficiency = ?

A

(Useful energy transferred by the device)
——————————————————
(Total energy supplied to the device)

all x 100% to give the answer as a percentage

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17
Q

Wave speed =?

Using wavelength

A

Frequency x wavelength

V

f λ

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18
Q

Frequency of waves =?

A

Wave speed / wavelength

V

f λ

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19
Q

Wavelength =?

A

Wave speed / frequency

V

f λ

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20
Q

Wave speed =?

Using distance

A

Distance / time

D

V t

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21
Q

Distance =?

Using wave speed

A

Wave speed x time

D

V t

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22
Q

Time =?

Using wave speed

A

Distance / wave speed

D

V t

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23
Q

Change in velocity =?

A

Acceleration x time taken

a = (v-u)
——
t

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24
Q

Time taken =?

Using acceleration

A

Change in velocity / acceleration

a = (v-u)
——
t

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25
Q

Work done =?

Using force

A

Force x distance

Work done

F D

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26
Q

Force =?

Using work done

A

Work done / distance

Work done

F D

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27
Q

Distance =?

Using work done

A

Work done / force

Work done

F D

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28
Q

Power =?

using work done

A

Work done / time taken

Work done

Power t

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29
Q

Work done =?

Using power

A

Power x time taken

Work done

Power t

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30
Q

Time taken =?

Using work done

A

Work done / power

Work done

Power t

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31
Q

Resistance =?

using voltage

A

Voltage / current

V

I R

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32
Q

Voltage =?

A

current x resistance

V

I R

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33
Q

Current =?

using voltage

A

Voltage / resistance

V

I R

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34
Q

What units must displacement always be in?

A

m

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35
Q

What units must velocity always be in?

A

m/s

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36
Q

What units must force always be in?

A

Newtons (N)

37
Q

What units must acceleration always be in?

A

m/s²

38
Q

What units must mass always be in?

A

Kg

39
Q

What units must weight always be in?

A

Newtons (N)

40
Q

What units must potential energy (PE) always be in?

A

Joules (J)

41
Q

What units must work done always be in?

A

Joules (J)

42
Q

What units must Kinetic Energy (KE) always be in?

A

Joules (J)

43
Q

What units must Gravitational field strength always be in?

A

Newtons / Kilogram

N/Kg

44
Q

What units must height always be in?

A

m

45
Q

What units must power always be in?

A

Watts (W)

46
Q

What units must momentum always be in?

A

Kilogram metres / seconds

Kgm/s

47
Q

What units must frequency always be in?

A

Hertz (Hz)

48
Q

What units must wavelength always be in?

A

m

49
Q

What units must current always be in?

A

Amps (A)

50
Q

What units must efficiency always be in?

A

It doesn’t have any units

or %

51
Q

What units must potential difference always be in?

A

Voltage (V)

52
Q

What units must resistance always be in?

A

Ohms (Ω)

53
Q

What is the prefix “kilo” (K) in standard form?

A

x 10³

54
Q

What is the prefix “mega” (M) in standard form?

A

x 10⁶

55
Q

What is the prefix “giga” (G) in standard form?

A

x 10⁹

56
Q

What is the prefix “pico” (p) in standard form?

E.g. Picometre

A

x 10⁻¹²

57
Q

What is the prefix “nano” (n) in standard form?

E.g. Nanometre

A

x 10⁻⁹

58
Q

What is the prefix “micro” (μ) in standard form?

E.g. Micrometre

A

x 10⁻⁶

59
Q

What is the prefix “milli” (m) in standard form?

E.g. Millimetre

A

x 10⁻³

60
Q

What units must temperature always be in?

A

°C

61
Q

Energy transferred = ?

using charge moved

A

charge moved x potential difference

 E

Q V

62
Q

charge moved = ?

A

Energy transferred/ potential difference

 E

Q V

63
Q

Potential difference = ?

using energy transferred

A

Energy transferred / charge moved

 E

Q V

64
Q

charge = ?

A

current x time

Q

I T

65
Q

Current = ?

using charge

A

charge / time

Q

I T

66
Q

time =?

using charge

A

Charge / current

Q

I T

67
Q

Potential difference=?

using resistance

A

Current x resistance

68
Q

Current =?

using potential difference

A

potential difference / resistance

69
Q

resistance =?

using potential difference

A

potential difference / current

70
Q

power =?

using energy transferred

A

energy transferred / time taken

E

P T

71
Q

energy transferred =?

using power

A

power x time taken

E

P T

72
Q

time taken =?

using power

A

energy transferred / power

E

P T

73
Q

electrical power =?

using resistance

A

current squared x resistance

P = I² x R

74
Q

current =?

using electrical power and resistance

A

square root of (electrical power / resistance)

P = I² x R

75
Q

resistance =?

using electrical power

A

electrical power / current squared

P = I² x R

76
Q

Electrical power =?

using potential difference

A

current x potential difference

P

I V

77
Q

current =?

using electrical power and potential difference

A

electrical power / potential difference

P

I V

78
Q

potential difference =?

using electrical power

A

electrical power / current

P

I V

79
Q

density = ?

A

mass / volume

m

ρ v

80
Q

mass =?

using density

A

density x volume

m

ρ v

81
Q

volume =?

using density

A

mass / density

m

ρ v

82
Q

force =?

using momentum

A

change in momentum / time

Δp

F t

83
Q

change in momentum =?

A

force x time

Δp

F t

84
Q

time =?

using force

A

change in momentum / force

Δp

F t

85
Q

Energy transferred =?

using current

A

current x potential difference x time

86
Q

pressure =?

A

force normal to surface / area of surface

87
Q

area of surface =?

A

force normal to surface / pressure

88
Q

force normal to surface =?

A

pressure x area of surface

89
Q

(final velocity)² - (initial velocity)² =?

A

2 x acceleration x distance

v² - u² = 2 x a x d

GCSE Edexcel Physics 9-1 Course (5 decks)

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