GCSE Physics AQA: Formula sheet.

Although most formulas are given in the exam, some questions may require you to know them. In addition although they may give you the formula, they may not give you the units and so I made this sheet with all the units and symbols! Good luck everyone :)

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  • Created by: Annie
  • Created on: 20-05-11 10:50
Preview of GCSE Physics AQA: Formula sheet.

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1. Power (Watts) = Voltage (Volts) x Current (Amps)
P = V x I
2. Voltage (Volts) = Current (Amps) x Resistance (Ohms)
V = I x R
3. Charge (Coulombs) = Current (Amps) x time (Seconds)
Q = I x t
4. Energy = Voltage x Charge
E = V x Q
5. Total cost = number of units x cost per unit
6. Efficiency (%) = (useful energy out ÷ total energy in) x
7. Gravitational Potential Energy (J) = mass (kg) x gravity x height
GPE= m x g x h
8. Kinetic Energy = 05 x mass (kg) x velocity2 (m/s)
KE = ½mv2
9. Work done (Joules) = Force (Newtons) x distance (M)
W = F x d
10. Power (Watts) = Energy (Joules) ÷ Time (seconds)
P = E ÷ t
11. Speed = Distance ÷ Time
s = d ÷ t *for units it doesn't matter, if it is km and s, then it will be
km/s, if it is miles and hours it will be mph...
12. Acceleration = Change in velocity (m/s) ÷ time (seconds)
13. Resultant force (N) = mass (kg) x acceleration (m/s2)
F = m x a
14. Weight (N) = mass (kg) x gravity (N/kg)
w = m x g
15. Momentum (kg m/s) = mass (kg) x velocity (m/s)
p = m x v
16. Wave speed (m/s) = frequency (Hertz) x wavelength (m)

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Energy transferred = power × time
(kilowatthour, kWh) (kilowatt, kW) (hour, h)…read more


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