EQUATIONS

• Velocity

  displacement divided by Time

  
• Acceleration

  Change in velocity divided by change in time

  
• Average Speed

  Distance moved divided by Time Taken
• Weight

  Mass x gravitational field strength
• Force


  Mass x acceleration
• Moment

  Force x perpendicular distance from the pivot
• Power (Potential Difference)

  Current x Voltage
• Energy Transferred

  Power x Time
• Charge

  Current x Time
• Wave Speed

  Frequency x Wavelength
• Work Done

  Force x Distance moved
• Power (Energy)

  Energy Transferred / Time Taken
• Gravitational Energy

  Mass x Gravity x height
• Kinetic Energy

  1/2 x mass x speed squared
• Pressure

  Force divided by Area
• Pressure difference

  height x density x g
• Momentum

  mass x velocity
• voltage

  current x resistance
• Power (Work Done)

  Work Done / Time
• Density

  Mass / Volume
• Power (Resistance)

  Current Squared x Resistance
• Energy Transferred (Charge)

  Charge Flow x Potential Difference
• Force (spring)

  Spring constant x extension
• Moment of a force

  Force x Distance