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AQA GCSE PHYSICS 9-1 PAPER 1 > Physics Equations and Units > Flashcards

Physics Equations and Units Flashcards

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1
Q

What is the formula for kinetic energy?

A

Ek = 1/2mv²

Ek = Kinetic Energy - J
m = Mass - Kg
v = Speed - m/s
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2
Q

What is the formula for Elastic Potential Energy

A

Ee = 1/2ke²

Ee = Elastic Potential Energy - J
k = Spring Constant - N/m
e = Extension - m
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3
Q

Formula linking Gravitational Potential Energy, Mass, Gravitational Field Strength, and Height?

A

Ep = mgh

Ep = Gravitational Potential Energy - J
m = Mass - Kg
g = Gravitational Field Strength - N/kg
h = Height - m

(GFS on Earth is 9.81N/kg)

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4
Q

Formula linking Change in Thermal Energy

A

∆E = mc∆(Theta)

∆E = Change in Thermal Energy - J
m = Mass - Kg
c = Specific Heat Capacity - J/kg°C
∆(Theta) = Change in Temperature - °C
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5
Q

What is the formula for Power?

A

P = E/T

P = Power - W (Watts)
E = Energy - J
T = Time - S
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6
Q

What is another formula for power linked with work done?

A

P = W/T

P = Power - W (Watts)
W = Work Done -J
T = Time - S
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7
Q

Formula linking Power, Potential Difference, and Current?

A

P = VI

P = Power - W
V = Potential Difference - V
I = Current - A
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8
Q

Formula linking Power, Current, and Resistance?

A

P = I²R

P = Power - W
I = Current - A
R = Resistance - Ohms
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9
Q

Formula linking Energy, Power, and Time?

A

E = PT

E = Energy - J
P = Power - W
T = Time - s
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10
Q

Formula linking Efficiency, Useful Energy Out, and Total Energy In?

A

Efficiency = Useful Energy Out / Total Energy In

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11
Q

Formula linking Charge, Current, and Time?

A

Q = IT

Q = Charge - C (Coulombs)
I = Current - A
T = Time - S
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12
Q

Formula linking Potential Difference, Resistance, and Current?

A

V = IR

V = Potential Difference - V
I = Current - A
R = Resistance - Ohms
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13
Q

Formula linking Energy, Charge, and Potential Difference?

A

E = QV

E = Energy - J
Q = Charge - C (Coulombs)
V = Potential Difference - V
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14
Q

Formula linking Density, Mass, and Volume?

A

P = m/v

P = Density - kg/m³ OR g/dm³ OR g/cm³
m = Mass - kg OR g
v = Volume -  m³ OR dm³ OR cm³
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15
Q

Formula linking Energy, Mass, and Specific Latent Heat?

A

E = mL

E = Energy - J
m = Mass - kg
L = Specific Latent Heat - J/kg
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16
Q

Formula linking Weight, Mass, and Gravitational Field Strength?

A

W = mg

W = Weight - N
m = Mass - kg
g - GFS - N/Kg

17
Q

Formula linking Work Done, Force, and Distance?

A

W = Fs

W = Work Done - J
F = Force - N
s = Distance - m
18
Q

Formula linking Force Spring Constant, and Extension?

A

F = Ke

F = Force - N
K = Spring Constant - N/m
e = Extension - m
19
Q

Formula linking Distance, Speed, and Time?

A

S = VT

S = Distance - m
V = Speed - m/s
T = Time - s
20
Q

Formula linking Acceleration, ∆Velocity, and Time?

A

a = ∆V / T

a = Acceleration - m/s²
∆v = Change in Velocity - m/s
t = Time - s
21
Q

Formula linking Final Velocity, Initial Velocity, Acceleration, and Distance?

A

v² - u² = 2as

v = Final Velocity - m/s
u = Initial Velocity - m/s
a = Acceleration - m/s²
s = Distance - m
22
Q

Formula linking Force, Mass, and Acceleration?

A

F = Ma

F = Force - N
M = Mass - kg
a = Acceleration - m/s²
23
Q

Formula linking Momentum, Mass, and Velocity?

A

P = mv

P = Momentum - kg m/s
m = Mass - kg
v = Velocity - m/s
24
Q

Formula linking Period and Frequency?

A

Period = 1 / Frequency

Period - S
Frequency - Hz

25
Q

Formula linking Velocity, Frequency, and Wavelength?

A

V = (Lambda) F

V = Velocity - m/s
Lambda = Wavelength - m
F = Frequency - Hz
26
Q

Formula linking Magnetic Flux Density, Force, Current, and Length?

A

F = BIL

F = Force - N
B = Magnetic Flux Density - T (Tesla)
I = Current - A
L = Length of wire - m
27
Q

Formula linking Electrostatic Force, Constant, Charge 1 Charge 2, and Distance?

(idk if we need this lmfao so dont worry about this one)

A

Electrostatic force = Constant × ((Charge 1 × Charge 2) / Distance²)

28
Q

Name all the formula for power

A 
P = I²R
P = VI
P = W/T
P = E/T
29
Q

What is I?

A

current

30
Q

What is the unit for current?

A

amps CHARGE PER SECOND

31
Q

What is the unit for voltage?

A

volts JOULES PER COLOUMB

32
Q

What is the unit for charge?

A

coloumbs

33
Q

What is the unit for energy?

A

joules

34
Q

What is c?

A

specific heat capacity?

35
Q

What are the units for specific heat capacity?

A

J/KG

36
Q

What is charge?

A

the rate of flow of electrical charge

37
Q

What is specific latent heat?

A

The amount of energy per kg

38
Q

Unit of gravitational field strength?

A

N/Kg

AQA GCSE PHYSICS 9-1 PAPER 1 (16 decks)

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