v = u + at – velocity
ma – Force
Fd – Torque
mv – Momentum (p)
½mv² – Kinetic Energy
mgh – Potential Energy
Fs – Work
W/t – Power
kx – Force of Spring
1/f – Period (f=frequency)
Gmm/r² – Force of gravity between two masses
E/q – Force on charge by electric field
F/q – Electric field
W/Q – Potential difference
Q/V – Capacitance (C)
RA/l – Resistivity
IR – Potential Difference (V)
IV – Power (terms of voltage)
I²R – Power (terms of resistance)
R tot=R₁+R₂+R₃…. – Total Resistance (Series)
(1/R₁)+(1/R₂)+(1/R₃)+…=(1/Rtotal) – Total Resistance in Parallel
Bev – Force of B field on charged particle
BI L – Force of B field on wire
BA – Magnetic Flux
þgh – Pressure in a liquid
F/A – Pressure
hf – energy (wave)
hf-work function – Kinetic Energy
v/λ – Wavelength
mc² – Energy ( with ref to c)
fλ – velocity of a wave
sin i /sin r – index of refraction (n)
1/n – sin of critical angle C
(1/u)+(1/v)=1/f – Mirors and lenses
s = ut + ½at² – distance in terms of u, t and a
v² = u² + 2as – velocity in terms of u, s and a
m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂ – Conservation of momentum
s/r – Angle in radians θ
θ/t – Angular Velocity
v = rω – Relationship between linear velocity and angular velocity
rω² = v²/r – Centripetal acceleration
mrω² = (mv²)/r – Centripetal force
mg – Weight
Gm₁m₂/d² – Newton’s law of gravitation
GM/R² – g in terms of M and R
4π²R³ / GM – T²
m/V – Density
pV=constant – Boyle’s law
Fs – Moment
Fd – Couple