Physics 0.0 / 5 ? PhysicsallIGCSEEdexcel Created by: Amy1995Created on: 14-05-14 20:59 average speed average speed = distance travelled/ time taken 1 of 24 acceleration acceleration = change in velocity/ time taken 2 of 24 force force = mass x acceleration 3 of 24 weight weight = mass x gravitational field strength 4 of 24 momentum momentum = mass x velocity 5 of 24 moment moment = force x perpendicular distance from pivot 6 of 24 clockwise law sum of anticlockwise moment = sum of clockwise moment 7 of 24 power power = current x voltage 8 of 24 energy energy = power x time 9 of 24 energy energy = current x voltage x time 10 of 24 charge charge = current x time 11 of 24 voltage voltage = current x resistance 12 of 24 wave speed wave speed = frequency x wavelength 13 of 24 reflection law angle of incidence = angle of reflection 14 of 24 law of refraction refractive index=sin angle of incidence, sin r = angle of refraction 15 of 24 efficiency efficiency = useful energy output from system/ total energy output into system x 100 16 of 24 work work = force x distance 17 of 24 GPE GPE = mass x gravitational field strenght x height 18 of 24 kinetic energy KE = ½ mass x speed² 19 of 24 power power = work done/ time taken 20 of 24 density density = mass/ volume 21 of 24 pressure pressure = force/ are 22 of 24 pressure difference pressure difference = height x density x gravity 23 of 24 input/ output voltege input voltage/ output voltage = primary turns/ secondary turns 24 of 24
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