Physics equations 0.0 / 5 ? PhysicsallGCSEAQA Created by: Will MaycockCreated on: 26-04-18 21:05 weight weight=mass x gravitational field strength 1 of 23 work done work done= force x distance(along the line of action of the force) 2 of 23 force applied to a spring force applied to a spring=spring constant x extension 3 of 23 moment of a force moment of a force=force x distance(normal to direction of force) 4 of 23 pressure pressure=force normal to a surface/area of that surface 5 of 23 distance travelled distance travelled=speed x time 6 of 23 acceleration acceleration= change in velocity/ time taken 7 of 23 resultant force resultant force=mass x acceleration 8 of 23 momentum momentum= mass x velocity 9 of 23 kinetic energy kinetic energy= 0.5 x mass x (speed^2) 10 of 23 gravitational potential energy gravitational potential energy = mass x gravitational field strength x height 11 of 23 power (energy) power= energy transferred/ time 12 of 23 power power= work done/time 13 of 23 efficiency (energy transfers) efficiency= useful output energy transfer/ total input energy transfer 14 of 23 efficiency (power) efficiency= useful power output/ total power input 15 of 23 wave speed wave speed= frequency x wavelength 16 of 23 charge flow charge flow= current x time 17 of 23 potential difference potential difference= current x resistance 18 of 23 power (potential dif.) power= potential difference x current 19 of 23 power (current) power= (current^2) x resistance 20 of 23 energy transferred (power) energy transferred= power x time 21 of 23 energy transferred (potential dif.) energy transferred= charge flow x potential difference 22 of 23 density density= mass/vloume 23 of 23

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