Physics Equations 0.0 / 5 ? PhysicsEquations and FormulaeGCSEAQA Created by: mshiarnaCreated on: 09-01-20 15:42 weight weight = mass x gravitational field strength W = mg 1 of 21 work done work done = force x distance (along the line of action of the force) W = Fs 2 of 21 force applied to a spring force applied to a spring = spring constant x extension F = ke 3 of 21 distance travelled distance travelled = speed x time s = vt 4 of 21 resultant force resultant force = mass x acceleration F = ma 5 of 21 gravitational potential energy gravitational potential energy = mass x gravitational field strength x height Ep = mgh 6 of 21 momentum (triple science only) momentum = mass x velocity p = mv 7 of 21 kinetic energy kinetic energy = 0.5 x mass x velocity^2 Ek = 0.5mv^2 8 of 21 acceleration acceleration = change in velocity / time taken a = Δv / t 9 of 21 power 1 power = energy transferred / time P = E / t 10 of 21 power 2 power = work done / time P = W / t 11 of 21 efficiency 1 efficiency = useful output energy transfer / total input energy transfer 12 of 21 efficiency 2 efficiency = useful power output / total power input 13 of 21 wave speed wave speed = frequency x wave length v = fλ 14 of 21 charge flow charge flow = current x time Q = It 15 of 21 potential difference potential difference = current x resistance V = IR 16 of 21 power 3 power = potential difference x current P = VI 17 of 21 power 4 power = current^2 x resistance P = I^2 R 18 of 21 energy transferred 1 energy transferred = power x time E = Pt 19 of 21 energy transferred 2 energy transferred = charge flow x potential difference E = QV 20 of 21 density density = mass / volume p = m / v 21 of 21

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