GCSE Physics Equations 0.0 / 5 SciencePhysicsGCSEEdexcel Created by: Samz.ACreated on: 17-04-18 19:18 D (m) = S (m/s) x T (s) Distance = Speed x Time 1 of 20 a (m/s²) = (v-u) (m/s) / t (s) Acceleration = (final velocity - initial velocity) / time 2 of 20 F (N) = m (kg) x a (m/s²) Force = mass x acceleration 3 of 20 W (N) = m (kg) x g (N/kg) Weight = mass x gravitational field strength 4 of 20 P (kg m/s) = m (kg) x v (m/s) Momentum = mass x velocity 5 of 20 Efficiency Efficiency = useful energy (J) / total energy (J) x 100% 6 of 20 GPE (J) = m (kg) x g (N/kg) x h (m) Change in gravitational potential energy = mass x change in gravitational field strength x change in vertical height 7 of 20 KE (J) = 1/2 x m (kg) x v² (m/s)² Kinetic energy = 1/2 x mass x velocity² 8 of 20 v (m/s) = f (Hz) x λ (m) Wave speed = frequency x wavelength 9 of 20 v (m/s) = x (m) / t (s) Wave speed = distance/time 10 of 20 E (J) = f (N) x d (m) Work done = force x distance moved in direction of force 11 of 20 P (W) = E (J) / t (s) Power = work done/time taken 12 of 20 Q (C) = I (A) x t (s) Charge = current x time 13 of 20 E (J) = Q (C) x V (V) Energy transferred = charge moved x potential difference 14 of 20 V (V) = I (A) x R (Ω) Potential difference = current x resistance 15 of 20 P (W) = I (A) x V (V) Electrical power = current x potential difference 16 of 20 P (W) = E (J) / t (s) Power = Energy transferred / time taken 17 of 20 P (W) = I² (A²) x R (Ω) Electrical power = current² x resistance 18 of 20 ρ (kg/mᶟ) = m (kg) / v (mᶟ) Density = mass / volume 19 of 20 F (N) = k (N/m) × x (m) Force exerted on a spring = spring constant × extension 20 of 20

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