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31 Cards in this Set
- Front
- Back
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Weight |
M x g Mass x Gravitational Field Strength |
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Work Done |
F s Force x distance |
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Force applied to a spring |
K e Spring constant x extension |
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Moment of a force |
F d Force x distance |
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Pressure |
F/A Force / area |
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Speed |
Distance / time |
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Acceleration |
∆v / t Change in velocity / time taken |
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Resultant force |
F = ma Mass x accleration |
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Momentum |
P = mv Mass x velocity |
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Kinetic energy |
1/2 mv^2 |
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Gravitational potential |
Mgh |
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Power (2 equations) (energy) |
Energy transferred / time
Work done / time |
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Efficiency (2 equations) |
Useful output energy transfer / total input energy transfer Useful power output / total power input |
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Wave speed |
v = f λ Frequency x wavelength |
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Charge |
Q = I t Current x time (When youre in charge you dont want to quit) |
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Potential difference |
V = I R (wire) Current x Resistance |
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Power (two equations) electricity |
P = V I Potential difference x current P = I^2 R Current^2 x resistance |
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Energy transferred (2 equations) |
Power x time
Charge x potential difference |
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Density |
ρ = m/v Mass / volume |
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Pressure due to a column of liquid |
P = hρg
Height of column x density of liquid x gravitational field strength |
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Final Velocity |
V^2 - u^2 = 2as (Final velocity)^2 - (initial velocity)^2 = 2 x acceleration x distance |
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Force (momentum) |
m∆v / ∆t
Change in momentum / time taken |
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Elastic potential energy |
1/2ke^2 |
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Change in thermal energy |
∆E = m c ∆θ Mass x specific heat capacity x temp change |
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Period |
1/ frequency |
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Magnification |
Image height / object height |
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Force on a conductor carrying current (at right angles to a magnetic field) |
F = B I L Force = magnetic flux density x current x length |
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Thermal energy for a change of state |
E = m L Mass x specific latent heat |
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Gas pressure |
Pressure x volume = constant |
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Potential difference across primary coil x current in primary coil = |
Potential difference across.secondary coil x current in secondary coil |
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Go to gas pressure flashcards for the has laws |
And combined gas law |
