Equations Flashcards
What equation links
density, mass and volume?
density = mass / volume
P = m / V
What equation links
pressure, force and area?
pressure = force / area
P = F / A
What equation links
weight and mass?
weight = mass x gravitational field strength
W = mg
What is the equation for
pressure due to a liquid?
pressure = density x height (of liquid above the object) x gravitational field strength
P = Pgh
rogue
What is
Boyle’s law?
pressure1 x volume1 = pressure2 x volume2
p1v1 = p2v2
What equation links
energy, mass, specific heat capacity and time?
energy = mass x specific heat capacity x change in time
E = mcΔT
What equation links
energy, mass and specific latent heat?
energy = mass x specific latent heat
E = mL
What equation links
current, charge and time?
current = charge / time
I = Q / t
Q = It
What equation links
energy, voltage and charge?
energy = voltage x charge
E = VQ
What equation links
power, energy and time?
power = energy / time
P = E / t
What equation links
power, current and voltage?
power = current x voltage
P = IV
What equation links
power, current and resistance?
power = current x current x resistance
P = IIR
What equation links
power, voltage and resistance?
power = (voltage x voltage) / resistance
P = VV / R
What equation links
energy, voltage, current and time?
energy = voltage x current x time
E = VIt
What equation links
force, magnetic field strength, current and length of wire?
force (on a current carrying wire) = magnetic field strength x current x length of wire (in the field)
F = BIl
