Physics equations 0.0 / 5 ? PhysicsEquations and FormulaeIGCSEEdexcel Created by: zoerobinsCreated on: 02-12-16 09:20 State the equation linking average speed, distance moved and time taken average speed = distance moved / time taken 1 of 22 State the equation linking acceleration, change in velocity and time taken acceleration = change in velocity / time taken 2 of 22 State the equation linking force, mass and acceleration force = mass x acceleration 3 of 22 State the equation linking weight, mass and gravitational field strength weight = mass x gravitational field strength 4 of 22 State the equation linking momentum, mass and velocity momentum = mass x velocity 5 of 22 State the equation linking moment, force and perpendicular distance from pivot moment = force x perpendicular distance from pivot 6 of 22 State the equation linking power, current and voltage power = current x voltage 7 of 22 State the equation linking voltage, current and resistance voltage = current x resistance 8 of 22 State the equation linking charge, current and time charge = current x time 9 of 22 State the equation linking wave speed, frequency and wavelength wave speed = frequency x wavelength 10 of 22 State the equation linking refractive index n, sin i and sin r refractive index n = sin i / sin r 11 of 22 State the equation linking sin c and n sin c = 1 / n 12 of 22 State the equation linking efficiency, useful energy output and total energy input efficiency = useful energy output / total energy input 13 of 22 State the equation linking work done, force and distance moved work done = force x distance moved 14 of 22 State the equation linking gravitational potential energy, mass, g and height gravitational potential energy (GPE) = mass x g x height 15 of 22 State the equation linking kinetic energy, mass and velocity kinetic energy = (1/2) x mass x velocity² 16 of 22 State the equation linking energy transferred and work done energy transferred = work done 17 of 22 State the equation linking density, mass and volume density = mass / volume 18 of 22 State the equation linking pressure, force and area pressure = force / area 19 of 22 State the equation linking pressure difference, height, density and g pressure difference = height x density x g 20 of 22 State the equation linking input (primary) voltage, output (secondary) voltage, primary turns and secondary turns input (primary) voltage / output (secondary) voltage = primary turns / secondary turns 21 of 22 State the equation linking input power and output power (for 100% efficiency) input power = output power 22 of 22
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