-Physics Equations AQA - 0.0 / 5 ? PhysicsEquations and FormulaeGCSEAQA Created by: HvradaCreated on: 07-02-20 16:21 Weight = mass x gravitational field strength (W=mg) 1 of 20 Workdone = force x distance (along the line of action of the force (W=Fs) 2 of 20 Force applied to a spring = spring constant x extension (F=ke) 3 of 20 moment of force = force x distance (normal to direction of force) (M=Fd) 4 of 20 pressure = force normal to a surface ÷ area of that surface (p=F÷A) 5 of 20 distance travelled = speed x time (s=vt) 6 of 20 acceleration = change in velocity ÷ time taken (a=△v÷t) 7 of 20 resultant force = mass x acceleration (F=ma) 8 of 20 momentum = mass x velocity (p=mv) 9 of 20 kinetic energy = 0.5 x mass x (speed)² (Ek =½mv² ) 10 of 20 Gravitational potential energy = mass x gravitational field x height (Ep=mgh) 11 of 20 power = energy transferred ÷ time (P=E÷t) 12 of 20 efficiency = useful output energy transfer ÷ total input energy transfer 13 of 20 power = work done ÷ time (P=W÷t) 14 of 20 efficiency = useful power output ÷ total power output 15 of 20 wave speed = frequency x wavelength (v= fλ 16 of 20 charge flow = current x time (Q=It) 17 of 20 potential difference = current x resistance (V=IR) 18 of 20 Power = potential difference x current (P=VI) 19 of 20 power = (current)² x resistance (P=I² R) 20 of 20
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