GCSE Physics Formulae Higher

  • Created by: GSidhu
  • Created on: 23-05-18 18:25
Density (kg/m3)=
mass(kg)/volume(m3) or p=m/v
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Mass (kg)=
density(kg/m3)x volume(m3) or m=pxv
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Volume (m3)=
mass(kg)/density(kg/m3) or v=m/v
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Change in thermal energy (J)=
mass(kg) x specific heat capacity(J/kg oC) x change in temperature(oC) or △E=mc△T
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Thermal energy for a change of state (J)=
mass(kg) x specific latent heat(J/kg) or E=mL
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Specific heat capacity (J/kg oC)=
change in thermal energy(J) / (mass(kg) x change in temperature(oC)
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Distance travelled (m)=
speed(m/s) x time(s) or s=vt
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Acceleration (m/s2)=
change in velocity(m/s) / time(s) or a=△v/t
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Kinetic energy (J)=
0.5 x mass(kg) x speed(m/s)2 or ek=0.5mv2
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Force (N)=
mass(kg) x acceleration(m/s2) or f=ma
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Momentum (kg m/s)=
mass(kg) x velocity(m/s) or p=mv
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Work Done (J)=
force(N) x distance(m)(along the line of action of the force or w=f△s
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Power (W)=
work done(J) / time(s) or p=w/t
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Force exerted by a spring (N)=
extension(m) x spring constant(N/m) or f=k△x
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Gravity force (N)=
mass(kg) x gravitational field strength (g N/kg) or w=mg
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(in a gravity field) potential energy (J)=
mass(kg) x height(m) x gravitational field strength (g N/kg) or ep=mgh
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Pressure (Pa)=
force normal to a surface (N) / area of that surface (m2) or p=f/a
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Moment of a force (Nm)=
force(N) x distance(m) (normal to direction of the force) or m=fd
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Charge flow (C)=
current (A) x time(s) or q=it
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Potential difference (V)=
current (A) x resistance (Ω) or v=ir
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Energy transferred (J)=
charge (C) x potential difference (V) or E=QV
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Power (W)=
potential difference(V) x current(A) = (current(A))2 x resistance(Ω) or P=IV=I2R
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Energy transferred (J,kWh)=
power (W,kW) x time (s,h) or △E=Pt
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Wave speed (m/s)=
frequency (Hz) x wavelength (m) or v=Fλ
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Efficiency=
useful output energy transfer (J) / input energy transfer (J) or EF= △Eu/△Et
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Pressure (Pa) x volume (m3)=
constant (for a given mass and at a constant temperature) or Pv=k
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Pressure due to a column of liquid (Pa)=
height of column (m) x density of liquid (kg/m3) x gravitational field strength g(N/kg)
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(Final velocity (m/s))2 - (initial velocity (m/s))2=
2 x acceleration (m/s2) x distance (m) or v2= u2 + 2as
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Energy transferred in stretching (J)=
0.5 x spring constant (N/m) x extension (m))2 or Eel = 0.5k△x
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Force on a conductor (at right angles to the magnetic field) carrying a current (N)=
magnetic field strength (T) x current (A) x length (m) or F=BIL
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Potential difference across primary coil (v) / potential difference across secondary coil (v)=
number of turns in primary coil / number of turns in secondary coil or Vp/Vs = Np/Ns
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Potential difference across primary coil (v) x current in primary coil (A)=
potential difference across secondary coil (v) x current in secondary coil (A) or VpIp = VsIs
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Other cards in this set

Card 2

Front

Mass (kg)=

Back

density(kg/m3)x volume(m3) or m=pxv

Card 3

Front

Volume (m3)=

Back

Preview of the front of card 3

Card 4

Front

Change in thermal energy (J)=

Back

Preview of the front of card 4

Card 5

Front

Thermal energy for a change of state (J)=

Back

Preview of the front of card 5
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