Equations 0.0 / 5 ScienceequationsGCSEAQA Created by: moomintroll67Created on: 13-05-18 19:44 What equation links mass, weight and gravitational field strength? Weight W (N) = Mass m (kg) x Gravitational field strength g (N/kg) 1 of 22 Work done, distance and force? work done W (J) = force F (N) x distance s (m) 2 of 22 extension, force and constant force F (N) = constant k (N/m) x extension e (m) 3 of 22 speed, distance travelled and time distance travelled s (m) = speed v (m/s) x time t (s) 4 of 22 change in velocity, acceleration and time taken acceleration a (m/s2) = change in velocity delta v (m/s) x time taken t (s) 5 of 22 acceleration, mass and force force F (N) = mass m (kg) x acceleration a (m/s2) 6 of 22 mass, momentum and velocity momentum p (kgm/s) = mass m (kg) x velocity v (m/s) 7 of 22 kinetic energy, (speed)2 and mass Kinetic energy Ek (J) = 1/2 x mass m (kg) x (speed)2 v2 (m/s) 8 of 22 mass, gravitational potential energy, height and gravitational field strength gravitational potential energy Ep (J) = mass m (kg) x gravitational field strength g (N/kg) x height h (m) 9 of 22 energy transferred, time and power energy transferred E (kw) = power p (kWh) x time t (h) 10 of 22 work done, time and power power p (W) = work done W (J) / time t (s) 11 of 22 efficiency, total input energy transfer and total output energy transfer efficiency (%) = total output energy transfer (J) / total input energy transfer (J) 12 of 22 efficiency, total power output and useful power output efficiency (%) = useful power output (J)/ total power output (J) 13 of 22 frequency, wavelength and wave speed wave speed v (m/s) = frequency f (hz) x wavelength (m) 14 of 22 current, time and charge flow charge flow Q (C) = current I (A) x time t (s) 15 of 22 potential difference, resistance and current potential difference v (v) = current I (A) x resistance R ( ) 16 of 22 resistance, potential difference and current power P (W) = potential difference V (V) x current I (A) 17 of 22 power , current and resistance power p (W) = (current)2 I2 (A) x resistance R ( ) 18 of 22 power, time and energy transferred energy transferred E (kWh) = power P (W) x time t (h) 19 of 22 charge flow, energy transferred and potential difference energy transferred E (J) = charge flow Q (C) x potential difference V (V) 20 of 22 volume, mass and density density p (kg/m3) = mass m (kg) / volume V (m3) 21 of 22 magnification, image size and size of real object magnification = size of image/ size of real object 22 of 22

## Comments

No comments have yet been made