Physics Equations to learn

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  • Physics equations
    • Kinetic energy = 1/2 x mass x speed^2
      • Ek = 1/2mv^2
    • GPE = mass x gravitational field strength x height
      • Ep = mgh
    • Power = workdone / time taken
      • P = W/t
      • Power = energy transferred / time taken
        • P = E/t
    • Efficiency = useful energy output / total energy input
      • Efficiency = useful power output / total power input
    • Potential difference = current x resistance
      • V = IR
    • Total resistance = resistance of component 1 + resistance of component 2
      • Rt = R1 + R2
    • Power = current x potential difference
      • P = IV
    • Charge flow = current x time
      • Q = It
    • Power = (current)^2 x resistance
      • P = I^2R
    • energy transferred = power x time
      • E = Pt
    • Density = Mass / Volume
      • D = M /V
    • Wave Speed = frequency x wavelength
      • v = f (upsidedown)y
    • distance = speed x time
      • s = vt
  • energy transferred = power x time
    • E = Pt
  • Energy = charge flow x potential difference
    • E = QV
  • Density = Mass / Volume
    • D = M /V
  • Wave Speed = frequency x wavelength
    • v = f (upsidedown)y
  • Weight =  Mass x Gravity
    • W = mg
    • Physics equations
      • Kinetic energy = 1/2 x mass x speed^2
        • Ek = 1/2mv^2
      • GPE = mass x gravitational field strength x height
        • Ep = mgh
      • Power = workdone / time taken
        • P = W/t
        • Power = energy transferred / time taken
          • P = E/t
      • Efficiency = useful energy output / total energy input
        • Efficiency = useful power output / total power input
      • Potential difference = current x resistance
        • V = IR
      • Total resistance = resistance of component 1 + resistance of component 2
        • Rt = R1 + R2
      • Power = current x potential difference
        • P = IV
      • Charge flow = current x time
        • Q = It
      • Power = (current)^2 x resistance
        • P = I^2R
      • distance = speed x time
        • s = vt
  • Work Done =  force x distance
    • W = Fs
  • Force =  Spring constant x extension
    • F = ke
  • moment of force = force x distance
    • M = Fd
  • pressure = force normal to a surface / area of that surface
    • p = F / A
  • Acceleration = change in velocity / time
    • A = v-u / t
  • resultant force = mass x accleration
    • F = ma
  • Momentum =  mass x velocity
    • p = mv

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