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IGCSE 0654 Physics Formula

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Moontide 2025-03-10
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文章导读
1 IGCSE 0654 Physics Formula1.1 Formulae1.1.1 P1 Motion Forces and Energy1.1.2 P3 Waves1.1.3 P4 Electricity and Magnetism1.1.4 P6 Space Physics1.2 Recall Facts1.2.1 P1 Motion Forces and Energy1.2.2 P2 Thermal Physics1.2.3 P3 Waves1.2.4 P6 Space Physics
IGCSE 0654 Physics Formula

IGCSE 0654 Physics Formula

Formulae

P1 Motion Forces and Energy

Speed
Speed (m/s) = Distance (m) Time (s) Speed (m/s) = Distance (m) Time (s) “Speed (m/s)”=(“Distance (m)”)/(“Time (s)”)\text{Speed (m/s)} = \frac{\text{Distance (m)}}{\text{Time (s)}}Speed (m/s)=Distance (m)Time (s)
Acceleration
Acceleration (m/s 2 ) = Change in speed (m/s) Time taken (s) Acceleration (m/s 2 ) = Change in speed (m/s) Time taken (s) “Acceleration (m/s”^(2)”)”=(“Change in speed (m/s)”)/(“Time taken (s)”)\text{Acceleration (m/s}^2\text{)} = \frac{\text{Change in speed (m/s)}}{\text{Time taken (s)}}Acceleration (m/s2)=Change in speed (m/s)Time taken (s)
Weight
Weight (N) = mass (kg) × gravitational field strength (N/kg) Weight (N) = mass (kg) × gravitational field strength (N/kg) “Weight (N)”=”mass (kg)”xx”gravitational field strength (N/kg)”\text{Weight (N)} = \text{mass (kg)} \times \text{gravitational field strength (N/kg)}Weight (N)=mass (kg)×gravitational field strength (N/kg)
Density
Density (kg/m 3 ) = mass (kg) volume (m 3 ) Density (kg/m 3 ) = mass (kg) volume (m 3 ) “Density (kg/m”^(3)”)”=(“mass (kg)”)/(“volume (m”^(3)”)”)\text{Density (kg/m}^3\text{)} = \frac{\text{mass (kg)}}{\text{volume (m}^3\text{)}}Density (kg/m3)=mass (kg)volume (m3)
Hooke’s Law
Force (N) = spring constant (N/m) × extension (m) Force (N) = spring constant (N/m) × extension (m) “Force (N)”=”spring constant (N/m)”xx”extension (m)”\text{Force (N)} = \text{spring constant (N/m)} \times \text{extension (m)}Force (N)=spring constant (N/m)×extension (m)
Moment
Force (N) × perpendicular distance from pivot (m) = moment (Nm) Force (N) × perpendicular distance from pivot (m) = moment (Nm) “Force (N)”xx”perpendicular distance from pivot (m)”=”moment (Nm)”\text{Force (N)} \times \text{perpendicular distance from pivot (m)} = \text{moment (Nm)}Force (N)×perpendicular distance from pivot (m)=moment (Nm)
Newton’s Second Law
Force (N) = mass (kg) × acceleration (m/s 2 ) Force (N) = mass (kg) × acceleration (m/s 2 ) “Force (N)”=”mass (kg)”xx”acceleration (m/s”^(2)”)”\text{Force (N)} = \text{mass (kg)} \times \text{acceleration (m/s}^2\text{)}Force (N)=mass (kg)×acceleration (m/s2)
Pressure
Pressure (Pa) = Force (N) Area (m 2 ) Pressure (Pa) = Force (N) Area (m 2 ) “Pressure (Pa)”=(“Force (N)”)/(“Area (m”^(2)”)”)\text{Pressure (Pa)} = \frac{\text{Force (N)}}{\text{Area (m}^2\text{)}}Pressure (Pa)=Force (N)Area (m2)
Work Done
Work Done (J) = Force (N) × distance (m) Work Done (J) = Force (N) × distance (m) “Work Done (J)”=”Force (N)”xx”distance (m)”\text{Work Done (J)} = \text{Force (N)} \times \text{distance (m)}Work Done (J)=Force (N)×distance (m)
Kinetic Energy
Energy (J) = 1 2 × mass (kg) × velocity 2 (m/s) Energy (J) = 1 2 × mass (kg) × velocity 2  (m/s) “Energy (J)”=(1)/(2)xx”mass (kg)”xx”velocity”^(2)” (m/s)”\text{Energy (J)} = \frac{1}{2} \times \text{mass (kg)} \times \text{velocity}^2\text{ (m/s)}Energy (J)=12×mass (kg)×velocity2 (m/s)
Gravitational Potential Energy
Energy (J) = mass (kg) × gravitational field strength (N/m) × change in height (m) Energy (J) = mass (kg) × gravitational field strength (N/m) × change in height (m) “Energy (J)”=”mass (kg)”xx”gravitational field strength (N/m)”xx”change in height (m)”\text{Energy (J)} = \text{mass (kg)} \times \text{gravitational field strength (N/m)} \times \text{change in height (m)}Energy (J)=mass (kg)×gravitational field strength (N/m)×change in height (m)
Power
Power (W) = Energy (J) Time (s) Power (W) = Energy (J) Time (s) “Power (W)”=(“Energy (J)”)/(“Time (s)”)\text{Power (W)} = \frac{\text{Energy (J)}}{\text{Time (s)}}Power (W)=Energy (J)Time (s)
Efficiency
Efficiency (%) = Useful Energy output (J) Energy input (J) × 100 % Efficiency (%)  = Useful Energy output (J) Energy input (J) × 100 % “Efficiency (%) “=(“Useful Energy output (J)”)/(“Energy input (J)”)xx100%\text{Efficiency (%) }= \frac{\text{Useful Energy output (J)}}{\text{Energy input (J)}} \times 100\%Efficiency (%) =Useful Energy output (J)Energy input (J)×100%
Efficiency (%) = Useful Power output (W) Power input (W) × 100 % Efficiency (%)  = Useful Power output (W) Power input (W) × 100 % “Efficiency (%) “=(“Useful Power output (W)”)/(“Power input (W)”)xx100%\text{Efficiency (%) }= \frac{\text{Useful Power output (W)}}{\text{Power input (W)}} \times 100\%Efficiency (%) =Useful Power output (W)Power input (W)×100%
Moment
Force (N) × Perpendicular Distance to Force (m) = Moment (Nm) Force (N) × Perpendicular Distance to Force (m) = Moment (Nm) “Force (N)”xx”Perpendicular Distance to Force (m)”=”Moment (Nm)”\text{Force (N)} \times \text{Perpendicular Distance to Force (m)} = \text{Moment (Nm)}Force (N)×Perpendicular Distance to Force (m)=Moment (Nm)

P3 Waves

Wave Speed
Speed (m/s) = frequency (Hz) × wavelength (m) Speed (m/s) = frequency (Hz) × wavelength (m) “Speed (m/s)”=”frequency (Hz)”xx”wavelength (m)”\text{Speed (m/s)} = \text{frequency (Hz)} \times \text{wavelength (m)}Speed (m/s)=frequency (Hz)×wavelength (m)
Reflection
Angle of incidence (°) = Angle of reflection (°) Angle of incidence (°) = Angle of reflection (°) “Angle of incidence (°)”=”Angle of reflection (°)”\text{Angle of incidence (°)} = \text{Angle of reflection (°)}Angle of incidence (°)=Angle of reflection (°)
Refraction
sin ⁡ ( angle of incidence ) sin ⁡ ( angle of refraction ) = refractive index sin ⁡ ( angle of incidence ) sin ⁡ ( angle of refraction ) = refractive index (sin(“angle of incidence”))/(sin(“angle of refraction”))=”refractive index”\frac{\sin(\text{angle of incidence})}{\sin(\text{angle of refraction})} = \text{refractive index}sin⁡(angle of incidence)sin⁡(angle of refraction)=refractive index

P4 Electricity and Magnetism

Electric Charge
Current (A) = charge (C) time (s) Current (A) = charge (C) time (s) “Current (A)”=(“charge (C)”)/(“time (s)”)\text{Current (A)} = \frac{\text{charge (C)}}{\text{time (s)}}Current (A)=charge (C)time (s)
Resistance
Resistance (Ω) = Voltage (V) Current (A) Resistance (Ω) = Voltage (V) Current (A) “Resistance (Ω)”=(“Voltage (V)”)/(“Current (A)”)\text{Resistance (Ω)} = \frac{\text{Voltage (V)}}{\text{Current (A)}}Resistance (Ω)=Voltage (V)Current (A)
Electrical Power
Power (W) = Voltage (V) × Current (I) Power (W) = Voltage (V) × Current (I) “Power (W)”=”Voltage (V)”xx”Current (I)”\text{Power (W)} = \text{Voltage (V)} \times \text{Current (I)}Power (W)=Voltage (V)×Current (I)
Electrical Energy
Energy (J) = Voltage (V) × Current (I) × Time (s) Energy (J) = Voltage (V) × Current (I) × Time (s) “Energy (J)”=”Voltage (V)”xx”Current (I)”xx”Time (s)”\text{Energy (J)} = \text{Voltage (V)} \times \text{Current (I)} \times \text{Time (s)}Energy (J)=Voltage (V)×Current (I)×Time (s)
Resistors in Series
Total Resistance (Ω) = Resistance 1 (Ω) + Resistance 2 (Ω) Total Resistance (Ω) = Resistance 1 (Ω) + Resistance 2 (Ω) “Total Resistance (Ω)”=”Resistance 1 (Ω)”+”Resistance 2 (Ω)”\text{Total Resistance (Ω)} = \text{Resistance 1 (Ω)} + \text{Resistance 2 (Ω)}Total Resistance (Ω)=Resistance 1 (Ω)+Resistance 2 (Ω)
Resistors in Parallel
1 Total Resistance (Ω) = 1 Resistance 1 (Ω) + 1 Resistance 2 (Ω) 1 Total Resistance (Ω) = 1 Resistance 1 (Ω) + 1 Resistance 2 (Ω) (1)/(“Total Resistance (Ω)”)=(1)/(“Resistance 1 (Ω)”)+(1)/(“Resistance 2 (Ω)”)\frac{1}{\text{Total Resistance (Ω)}} = \frac{1}{\text{Resistance 1 (Ω)}} + \frac{1}{\text{Resistance 2 (Ω)}}1Total Resistance (Ω)=1Resistance 1 (Ω)+1Resistance 2 (Ω)
Transformers
Voltage in primary coil (V) Voltage in secondary coil (V) = Number of primary coils Number of secondary coils Voltage in primary coil (V) Voltage in secondary coil (V) = Number of primary coils Number of secondary coils (“Voltage in primary coil (V)”)/(“Voltage in secondary coil (V)”)=(“Number of primary coils”)/(“Number of secondary coils”)\frac{\text{Voltage in primary coil (V)}}{\text{Voltage in secondary coil (V)}} = \frac{\text{Number of primary coils}}{\text{Number of secondary coils}}Voltage in primary coil (V)Voltage in secondary coil (V)=Number of primary coilsNumber of secondary coils
Current in primary coil (A) × Voltage in primary coil (V) = Current in secondary coil (A) × Voltage in secondary coil (V) Current in primary coil (A) × Voltage in primary coil (V) = Current in secondary coil (A) × Voltage in secondary coil (V) “Current in primary coil (A)”xx”Voltage in primary coil (V)”=”Current in secondary coil (A)”xx”Voltage in secondary coil (V)”\text{Current in primary coil (A)} \times \text{Voltage in primary coil (V)} = \text{Current in secondary coil (A)} \times \text{Voltage in secondary coil (V)}Current in primary coil (A)×Voltage in primary coil (V)=Current in secondary coil (A)×Voltage in secondary coil (V)
Power Loss in Cables
Power (W) = Current 2 (A) × Resistance (Ω) Power (W) = Current 2  (A) × Resistance (Ω) “Power (W)”=”Current”^(2)” (A)”xx”Resistance (Ω)”\text{Power (W)} = \text{Current}^2\text{ (A)} \times \text{Resistance (Ω)}Power (W)=Current2 (A)×Resistance (Ω)

P6 Space Physics

Speed (m/s) = ( 2 × π × radius of orbit (m) ) Time period of orbit (s) Speed (m/s) = ( 2 × π × radius of orbit (m) ) Time period of orbit (s) “Speed (m/s)”=((2xx pi xx”radius of orbit (m)”))/(“Time period of orbit (s)”)\text{Speed (m/s)} = \frac{(2 \times \pi \times \text{radius of orbit (m)})}{\text{Time period of orbit (s)}}Speed (m/s)=(2×π×radius of orbit (m))Time period of orbit (s)

Recall Facts

P1 Motion Forces and Energy

  • Gravitational field strength on Earth (g) = 9.8N/kg

P2 Thermal Physics

  • Water boiling point at standard atmospheric pressure = 100°C
  • Water melting point at standard atmospheric pressure = 0°C

P3 Waves

  • Longitudinal Waves: Oscillations are perpendicular to the direction of propagation.
  • Transverse Waves: Oscillations are parallel to the direction of propagation.
  • Examples of Longitudinal Waves: Sound waves.
  • Examples of Transverse Waves: Electromagnetic waves, water waves.
  • Colors in order of frequency:
    • Red (Lowest Frequency, Longest Wavelength)
    • Orange
    • Yellow
    • Green
    • Blue
    • Indigo
    • Violet (Highest Frequency, Shortest Wavelength)
  • Electromagnetic Spectrum in order of frequency:
    • Radio waves (Lowest Frequency, Longest Wavelength)
    • Microwave
    • Infrared
    • Visible
    • Ultraviolet
    • X-ray
    • Gamma ray (Highest Frequency, Shortest Wavelength)
  • Speed of Light: 3.0 × 10 8 3.0 × 10 8 3.0 xx10^(8)3.0 \times 10^83.0×108 m/s
  • Human Hearing Range: 20Hz – 20,000Hz

P6 Space Physics

  • Order of planets from the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
  • Diameter of the Milky Way: 100,000 light-years
  • Age of the Universe: 13.8 billion years

*Based on physics formulas compiled by Gareth Wright, this version has been reformatted and adapted by Eason Liu for better readability and accessibility

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