Physics Equations 0.0 / 5 ? PhysicsEquations and FormulaeGCSEEdexcel Created by: ethanhooper78Created on: 13-01-18 08:46 distance travelled distance travelled = average speed x time 1 of 22 acceleration acceleration = change in velocity / time taken a = (v - u) / t 2 of 22 force force = mass x acceleration F = m x a 3 of 22 weight weight = mass x gravitational field strength W = m x g 4 of 22 effciency efficiency = (useful energy transferred by the device) / (total energy supplied to the device) 5 of 22 momentum momentum = mass x velocity p = m x v 6 of 22 wave speed (1) wave speed = frequency x wavelength v = f x ʎ 7 of 22 wave speed (2) wave speed = distance / time v = x / t 8 of 22 density density = mass x volume p = m / V 9 of 22 work done work done = force x distance moved in direction of force E = F x d 10 of 22 change in gravitational potential energy change in gravitational potential energy = mass x gravitational field strength x change in vertical height ΔGPE = m x g x Δh 11 of 22 kinetic energy kinetic energy = ½ x mass x (speed)² KE = ½ x m x v² 12 of 22 power (1) power = work done / time taken P = E / t 13 of 22 energy transferred energy transferred = charge moved x potential difference E = Q x V 14 of 22 charge charge = current x time Q = I x t 15 of 22 potential difference potential difference = current x resistance V = I x R 16 of 22 power (2) power = energy transferred / time taken P = E / t 17 of 22 electrical power (1) electrical power = current x potential difference P = I x V 18 of 22 electrical power (2) electrical power = current² x resistance P = I² x R 19 of 22 force exerted off of a spring force exerted off of a spring = spring constant x extension F = k x x 20 of 22 momentum of a force momentum of a force = force x distance normal to the direction of the force 21 of 22 pressure pressure = force normal to surface / area of that surface P = F / A 22 of 22
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