Physics AQA equations

• What is the equation for weight in terms of mass and gravitational field strength?

  W = mg
• What is the equation for work done in terms of force and distance?

  W = Fs
• What is the equation relating force applied to a spring, spring constant, and extension?

  F = ke
• What is the equation for distance travelled in terms of speed and time?


  s = vt
• What is the equation for acceleration in terms of change in velocity and time taken?


  a = \frac{\Delta v}{t}
• What is the equation for resultant force in terms of mass and acceleration?

  F = ma
• What is the equation for momentum in terms of mass and velocity?

  p = mv
• What is the equation for kinetic energy in terms of mass and speed?


  E_k = \frac{1}{2} mv^2
• What is the equation for gravitational potential energy in terms of mass, gravitational field strength, and height?


  E_p = mgh
• What is the equation for power in terms of energy transferred and time?

  P = \frac{E}{t}
• What is the equation for efficiency in terms of useful output energy transfer and total input energy transfer?


  \text{Efficiency} = \frac{\text{Useful output energy transfer}}{\text{Total input energy transfer}}
• What is the equation for wave speed in terms of frequency and wavelength?


  v = f\lambda
• What is the equation for charge flow in terms of current and time?

  Q = It
• What is the equation for potential difference in terms of current and resistance?

  V = IR
• What is the equation for power in terms of potential difference and current?

  P = VI
• What is the equation for power in terms of current and resistance?

  P = I^2R
• What is the equation for energy transferred in terms of power and time?

  E = Pt
• What is the equation for energy transferred in terms of charge flow and potential difference?

  E = QV
• What is the equation for density in terms of mass and volume?

  \rho = \frac{m}{V}
• What are the equations required for Higher Tier papers in Physics?

  • Weight: \( W = mg \)
  • Work done: \( W = Fs \)
  • Force applied to a spring: \( F = ke \)
  • Distance travelled: \( s = vt \)
  • Acceleration: \( a = \frac{\Delta v}{t} \)
  • Resultant force: \( F = ma \)
  • Momentum: \( p = mv \)
  • Kinetic energy: \( E_k = \frac{1}{2} mv^2 \)
  • Gravitational potential energy: \( E_p = mgh \)
  • Power: \( P = \frac{E}{t} \)
  • Efficiency: \( \text{Efficiency} = \frac{\text{Useful output energy transfer}}{\text{Total input energy transfer}} \)
  • Wave speed: \( v = f\lambda \)
  • Charge flow: \( Q = It \)
  • Potential difference: \( V = IR \)
  • Power: \( P = VI \)
  • Power: \( P = I^2R \)
  • Energy transferred: \( E = Pt \)
  • Energy transferred: \( E = QV \)
  • Density: \( \rho = \frac{m}{V} \)