Physics Formula List
Download Physics Formula Listt  
Physical Quantity 
Formula 
Remarks 
Equations of motion at constant acceleration  
Density  
Weight  W = mg  W = weight, N m = mass, kg g = gravitational acceleration, m/s^{2} or N/kg 
Force  F = ma  F = force, N m = mass, kg a = acceleration, m/s^{2} 
Moment of a force about a point 


Object in equilibrium with parallel forces acting on it  
Work done  W = Fd 
W = work done, J F = force, N d = displacement, m 
Kinetic energy  K.E.= 1/2 mv^{2}  K = kinetic energy, J m = mass, kg v = velocity, m/s 
Potential energy 
P.E. = mgh

Ep = potential energy, J m = mass, kg g = gravitational acceleration, N/kg or m/s^{2} h = gain/loss in height 
Efficiency  
Power  P = power, W W = work done or energy transferred, J t = time, s E = energy transferred/used, J Q = thermal energy transferred, J 

Pressure  
Liquid pressure  
Boyle's Law  
Specific heat capacity 


Specific latent heat of vaporization or fusion  
Wave equation  
Refractive index  n = refractive index i = angle in air/vacuum r = angle in medium c = speed of light in vacuum, m/s v = speed of light in medium, m/s 

Critical angle  
Amount of charge  Q = It  Q = charge, C t = time, s 
Ohm's Law  V = IR  V = potential difference, V I = current, A 
Potential difference  V = W/Q  V = potential difference, V W = work done between two points, J Q = charge, C 
emf  
Electrical power  P = IV = I^{2}R  P = power, W I = current, A V = potential difference, V (voltage) 
Electrical energy  E = VIT  E = electrical energy, J 
Resistance  p = resistivity, ohm l = length of wire, m A = crosssectional area of wire, m^{2} 

Transformer equations 
