Physics Formulas
Essential physics formulas covering mechanics, thermodynamics, waves, and more.
Clear explanations with worked examples.
Density Formula
The density formula ρ = m/V calculates how much mass is packed into a given volume. Learn to solve density problems with clear examples.
Hooke's Law
Hooke's law F = -kx describes the restoring force of a spring. Learn to calculate spring force with the spring constant and displacement.
Kinematic Equations
The four kinematic equations describe motion with constant acceleration. Master velocity, displacement, and time calculations with step-by-step examples.
Kinetic Energy Formula
The kinetic energy formula KE = ½mv² calculates the energy of a moving object. Learn how mass and velocity affect kinetic energy with examples.
Momentum Formula
The momentum formula p = mv calculates an object's momentum from its mass and velocity. Essential for collision and impulse problems.
Newton's Second Law
Newton's second law of motion states that force equals mass times acceleration (F = ma). Learn how to calculate force, mass, or acceleration with worked examples.
Potential Energy Formula
The gravitational potential energy formula PE = mgh calculates stored energy based on height. Essential for energy conservation problems.
Power Formula
The power formula P = W/t calculates the rate at which work is done or energy is transferred. Learn to calculate power in watts with examples.
Pressure Formula
The pressure formula P = F/A calculates the force per unit area. Understand pressure in pascals with practical worked examples.
Wave Speed Formula
The wave speed formula v = fλ relates the speed of a wave to its frequency and wavelength. Essential for sound, light, and wave physics.
Weight Formula
The weight formula W = mg calculates the gravitational force on an object. Learn how weight differs from mass with clear examples.
Work Formula
The work formula W = Fd·cos(θ) calculates the work done by a force over a distance. Includes angle consideration and step-by-step examples.