Equations Flashcards
W, weight (N, newtons)
m, mass (Kg) × g, gravitational field strength (N/Kg)
W, work done (J, Joules)
F, force (newtons) × s, distance (along line of action of the force)
F, force applied to a spring
k, spring constant × e, extension
M, moment of a force
F, force × d, distance (normal to direction of force)
p, pressure
A, area of that surface
s, distance travelled
v, speed × t, time
a, acceleration
t, time taken
F, resultant force
m, mass × a, acceleration
p, momentum
m, mass × v, velocity
KE, kinetic energy
0.5 × m, mass × (v, speed)²
Ep gravitational potential energy
m, mass × g, gravitational field strength × h, height
P, power
t,time
P, power
t, time
Efficiency
total
v, wave speed
ƒ, frequency × wavelength
Q, charge flow
I, current t,time
V, potential difference
I, current × R, resistance
P, power
V, potential difference × I, currrent
P, power
(I, current)² × R, resistance
E, energy transferred
P, power × t, time
E, energy transferred
Q, charge flow × V, potential difference
density
V, volume
p, pressure due to a column of liquid
h,height of column × density of liquid ×g, gravitational field strength
(v, final velocity)² - (u, initial velocity)²
2 × a, acceleration × s, distance
Ee, elastic potential energy
0.5 × k, spring constant × (e, extention)²
F, force
▲t, time taken
▲E, change in thermal energy
m,mass × c, specific heat capacity × ▲ø, temperature change
period
frequency
magnification
object height
F, force on a conductor (at right angles to a magnetic field) carrying current
, magnetic flux density × I, current ×l, length
Vs, potential difference accorss secondary coil
ns,m number of turns in secondary coil
Vs, pot. difference acroos primary coil × Is, current in primary coil
Vp, pot difference in secondary coil × Ip, current in primary coil
for gasses:
p, pressure × V volume
constant
