equations 0.0 / 5 ? PhysicsEquations and FormulaeIGCSEAQA Created by: alexCreated on: 27-03-13 17:30 acceleration acceleration = change in velocity(m/s) ÷ time taken(s) 1 of 21 force force(N) = mass(g) x acceleration 2 of 21 Boyle's law original volume(V1)÷new volume(V2) = original pressure(P1)÷new pressure(P2) 3 of 21 Gravitational potential energy mass(g) x gravity(10) x height(cm) 4 of 21 Kinetic energy 1/2M x V² ( half mass x velocity) 5 of 21 rearranged Kinetic energy equation √(2e ÷ m) e=energy m=mass 6 of 21 refractive index 1 ÷ sin( critical angle) 7 of 21 Kelvin temperature -273°C = 0K (add 273 to °C number to get Kelvin 8 of 21 Amonton's law original pressure(P1)÷original temperature(T1) = secondary pressure(P2)÷secondary temperature(T2) 9 of 21 current(amps) and voltage(volts) original current(I1) x original voltage(V1) = secondary current(I2) x secondary voltage(V2) 10 of 21 pressure(Pa) pressure(p) = force(f) x area(a) 11 of 21 work done(energy) work done (J) = force applied(N) x distance(cm) 12 of 21 voltage voltage(volts) = current(amps) x resistance(ohms) 13 of 21 power(W) energy transfer(J) ÷ time taken(s) 14 of 21 density(kg/m3) density(kg/m3) = mass(g) ÷ volume(m³) 15 of 21 equation for transformers Primary voltage(Vp)÷Secondary voltage(Vs) = Primary coils(Np)÷Secondary coils(Ns) 16 of 21 a volt is a ....... per ......... a volt is a JOULE per COULOMB 17 of 21 energy energy = current(I) x voltage(V) x time(s) 18 of 21 moments moment = force(N) x perpendicular distance from pivot(cm) 19 of 21 momentum(1) momentum(kgm/s) = mass(kg) x velocity(m/s) 20 of 21 momentum(2) force = change in momentum ÷ time 21 of 21
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