AQA GCSE Physics Equation Sheet, Exercises of Physics

Download AQA GCSE Physics Equation Sheet and more Exercises Physics in PDF only on Docsity! Primrose Kitten – YouTube Tutorials for Chemistry, Physics and Maths. 1 AQA GCSE Physics Equation Sheet Topic 1 - Energy Equation Symbol Unit Ek = ½ mv2 Ek = kinetic energy m = mass v = speed Ek = J (joules) m = kg (kilograms) v = m/s (meters per second) Ee = ½ ke2 Ee = elastic potential energy k = spring constant e = extension Ee = J (joules) k = N/m (newton’s per meter) e = m (meters) Ep = mgh Ep = gravitational potential energy m = mass g = gravitational field strength h = height Ep = J (joules) m = kg (kilograms) g = N/kg (newton’s per kilogram) h = m (meters) ΔE = mcΔθ ΔE = change in thermal energy m = mass c = specific heat capacity Δθ = temperature change ΔE = J (joules) m = kg (kilograms) c = J/kg˚C (joules per kilogram per degree Celsius) Δθ = ˚C (degree Celsius) P = E t P = power E = energy transferred t = time P = W (watts) E = J (joules) t = s (seconds) P = W t P = power W = work done t = time P = W (watts) E = J (joules) t = s (seconds) Efficiency = useful energy out total energy in Efficiency = useful power out total power in Primrose Kitten – YouTube Tutorials for Chemistry, Physics and Maths. 2 Topic 2 – Electricity Equation Symbols Units Q = It Q = Charge I = Current t = Time Q = C (coulombs) I = A (amps) t = s (seconds) V = IR V = Potential difference I = Current R = Resistance V = V (volts) I = A (amps) R = Ω (ohms) P = VI P = Power V = Potential difference I = Current P = W (watts) V = V (volts) I = A (amps) P = I2R P = Power I = Current R = Resistance P = W (watts) I = A (amps) R = Ω (ohms) E = Pt E = Energy P = Power t = Time E = J (joules) P = W (watts) t = s (seconds) E = QV E = Energy Q = Charge V = Potential difference E = J (joules) Q = C (coulombs) V = V (volts) Topic 3 – Particle Model of Matter Equation Symbols Units ρ = m V ρ = density m = mass V = volume ρ = kg/m3 (kilgorams per meter cubed m = kg (kilograms) V = m3 (meters cubed) ΔE = mcΔθ ΔE = change in thermal energy m = mass c = specific heat capacity Δθ = temperature change ΔE = J (joules) m = kg (kilograms) c = J/kg˚C (joules per kilogram per degree Celsius) Δθ = ˚C (degree Celsius) E = mL E = Energy m = mass L = specific latent heat E = J (joules) m = kg (kilograms) L = J/kg (joules per kilogram)