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GCSE Physics Equation Sheet
| Word Equation | Symbol Equation |
|---|---|
| kinetic energy = 0.5 × mass × (speed)² | Ek = ½mv² |
| gravitational potential energy = mass × gravitational field strength × height | Ep = mgh |
| elastic potential energy = 0.5 × spring constant × (extension)² | Ee = ½ke² |
| change in thermal energy = mass × specific heat capacity × temperature change | ΔE = mcΔθ |
| power = energy transferred ÷ time | P = E / t |
| efficiency = useful output energy transfer ÷ total input energy transfer | efficiency = useful output / total input |
| charge flow = current × time | Q = It |
| potential difference = current × resistance | V = IR |
| power = potential difference × current | P = VI |
| power = (current)² × resistance | P = I²R |
| energy transferred = charge flow × potential difference | E = QV |
| work done = force × distance | W = Fs |
| weight = mass × gravitational field strength | W = mg |
| acceleration = change in velocity ÷ time | a = Δv / t |
| momentum = mass × velocity | p = mv |
| density = mass ÷ volume | ρ = m / V |
| energy for a change of state = mass × specific latent heat | E = mL |
| wave speed = frequency × wavelength | v = fλ |
| period = 1 ÷ frequency | T = 1 / f |
| magnification = image height ÷ object height | M = image height / object height |