GCSE Physics AQA (single science) equations paper 2 0.0 / 5 PhysicsEquations and FormulaeGCSEAQA Created by: Jess Kate 7131Created on: 22-04-19 20:28 Gravity (weight) W = m x g W = weight (N) m = mass (kg) g = gravitational field strength (N/kg) 1 of 17 Work Done W = F x s W = work done (J) F = force (N) s = distance (m) 1 joule = 1 newton metre 2 of 17 Force F = k x e F = force (N) k = spring constant (N/m) e = extension (m) 3 of 17 Moments M = F x d M = moment of a force (Nm) F = force (N) d = perpendicular distance from the pivot to the line of action of the force (m) 4 of 17 Pressure in a Fluid p = F / A p = pressure (Pa) F = force (N) A = area (m²) 5 of 17 Pressure in a Fluid (HT only) p = h x ρ x g p = pressure (Pa) h = height of the column (m) ρ = density (kg/m³) g = gravitational field strength (N/kg) 6 of 17 Speed s = v x t s = distance travelled (m) v = speed (m/s) t = time (s) 7 of 17 Acceleration a = Δv / t a = acceleration (m/s²) Δv = change in velocity (m/s) t = time (s) 8 of 17 Acceleration pt2 v² - u² = 2 x a x s v = final velocity (m/s) u = initial velocity (m/s) a = acceleration (m/s²) s = distance (m) 9 of 17 Resultant Force (Newton's Second Law) F = m x a F = force (N) m = mass (kg) a = acceleration (m/s²) 10 of 17 Momentum p = m x v p = momentum (kg m/s) m = mass (kg) v = velocity (m/s) 11 of 17 Changes in Momentum F = m Δv / Δt F = resultant force (N) m Δv = change in momentum Δt = change in time 12 of 17 Properties of Waves T = 1 / f T = period (s) f = frequency (Hz) 13 of 17 Properties of Waves pt2 v = f x λ v = wavespeed (m/s) f = frequency (Hz) λ = wavelength (m) 14 of 17 Fleming's left hand rule F = B x I x L F = force (N) B = magnetic flux density (T) I = current (A) L = length (m) 15 of 17 Transformers Vs / Vp = Np / Ns Vs = potential difference across secondary coil (V) Vp = potential difference across primary coil (V) Np = number of turns on primary coil Ns = number of turns on secondary coil 16 of 17 Transformers (HT only) Vs x Is = Vp x Ip Vs = potential difference across secondary coil Is = current across secondary coil Vp = potential difference across primary coil Ip = current across primary coil Vs x Is = power output across secondary coil (in Watts , W) Vp x Ip = power output across primary coil (in Watts , W) 17 of 17

## Comments

No comments have yet been made