Physics 0.0 / 5 PhysicsEquationsGCSEAQA Created by: jay1230Created on: 03-05-18 14:00 Potential Difference Current x resistance 1 of 23 Efficiency Useful power output / Total power input 2 of 23 Efficiency Useful output energy transfer / total input energy transfer 3 of 23 Kinetic Energy 0.5 x mass x speed2 4 of 23 Work done Force x distance along the line of action of the force 5 of 23 Energy transferred Power x time 6 of 23 Power Potential difference x current 7 of 23 Power Current 2 x resistance 8 of 23 Power Work done / time 9 of 23 Wave speed Frequency x wavelength 10 of 23 Force applied to a spring Spring constant x extension 11 of 23 Pressure Force normal to a surface / area of that surface 12 of 23 Gravitational potential energy Mass x gravitational field strength x height 13 of 23 Power Energy transferred / time 14 of 23 Charge flow Current x time 15 of 23 Energy transferred Charge flow x potential difference 16 of 23 Density Mass / volume 17 of 23 Movement of a force Force x distance (normal to direction of force) 18 of 23 Distance travelled Speed x time 19 of 23 Acceleration Change in velocity / time taken 20 of 23 Momentum Mass x velocity 21 of 23 Resultant force Mass x acceleration 22 of 23 Weight Mass x gravitational field strength 23 of 23

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