Physics glossary
All 242 historical Physics source definitions, equations and tables retain their complete context and related-term links. Browse the six-subject editorial glossary →
242 entries
- Absolute Zero
- Acceleration
- Amplitude
- Angular Acceleration
- Angular Frequency
- Angular Frequency Equation
- Angular Frequency Equation for Dampened Harmonics
- Angular Momentum
- Angular Momentum Equation
- Angular Momentum of a Rigid Body Equation
- Angular to Linear Acceleration Equation
- Angular to Linear Velocity Equation
- Angular Velocity
- Average Acceleration Equation
- Average Velocity
- Average Velocity Equation
- Bernoulli's Equation
- Bulk Modulus
- Bulk Modulus Equation
- Buoyancy
- Buoyancy Force Equation
- Calculus Version of Moment of Inertia
- Calorimetry
- Celsius Scale
- Celsius to Kelvin Scale Conversion
- Centripetal Acceleration
- Centripetal Acceleration Equation
- Centripetal Force
- Centripetal Force Equation
- Coefficient of Linear Expansion
- Coefficient of Volume Expansion
- Collision Equations
- Combined Standing Wave Equation
- Component
- Conduction
- Conduction Rate Equation
- Conduction Rate with Steady-State Equation
- Conservation of Angular Momentum
- Conservation of Angular Momentum (Inertia Definition)
- Conservation of Angular Momentum Equation
- Conservation of Energy Equations
- Conservation of Kinetic Energy Equation
- Conservation of Momentum Equations
- Conservative Forces
- Constructive Interference
- Continuity Equation
- Continuity Theory
- Cross Product
- Dampened Harmonics
- Dampening Harmonics Equation
- Damping Constant
- Destructive Interference
- Detector
- Direction
- Displacement
- Doppler Effect
- Dot Product
- Drag Force
- Drag Force Equation
- Elastic Collisions
- Electromagnetic Spectrum
- Elementary Definition of Standard Definite Integral
- Energy
- Energy Balance Equation
- Fahrenheit Scale
- Fahrenheit to Celsius Scale Conversion
- Fluid Momentum
- Fluids
- Force
- Force Equation
- Force of Gravity Equation
- Formal Definition of Moment
- Free body diagrams
- Frequency
- Friction Force
- Friction Force Equation
- Frictional Head Loss
- General Ellipse Equation
- Glossary Term
- Gravitational Force
- Gravitational Force Equation
- Gravitational Potential Energy Equation
- Gravity
- Harmonic State Equation
- Harmonics
- Head Loss
- Heat Capacity
- Heat Capacity Equation
- Heat Capacity per Unit Mass
- Heat Loss Equation
- Heating Curve
- Hooke’s Law
- Ideal Gas Law
- Ideal Gas Law Equation
- Impulse
- Impulse Equation
- Inelastic Collision
- Inertial Mass
- Initial Standing Wave Equation
- Instantaneous Velocity
- Intensity
- Intensity Equation
- Joule
- Kepler's First Law
- Kepler’s First Law Equation
- Kepler's Second Law
- Kepler's Third Law
- Kinematic Equations
- Kinematic Equations in x-Direction
- Kinematic Equations in y-Direction
- Kinetic Energy
- Kinetic Energy Equation
- Kinetic Energy Equation (Integral Form)
- Kinetic Energy of the Fluid
- Kinetic Friction
- Latent Heat
- Latent Heat Equation
- Latent Heat of Fusion
- Latent Heat of Vaporization
- Law of Cosines
- Law of Sines
- Linear Expansion Equation
- Longitudinal Wave
- Magnitude
- Minor Head Loss
- Moles
- Moles Equation
- Moment
- Moment Equation
- Moment of Inertia
- Moment of Inertia Equation
- Momentum
- Momentum Equation
- Momentum-Force Equation
- Net Radiation Rate Equation
- Newton’s First Law
- Newton’s Second Law
- Newton’s Third Law
- Nodes
- Non-Conservative Force
- Non-Ideal Gas Law (Van der Waals Equation)
- Normal Force
- Parallel Axis Theorem Equation
- Parallel-Axis Theorem
- Period
- Period Equation
- Period for Oddly Shaped Pendulums
- Period for Simple Pendulums
- Period of a Spring
- Phase Changes
- Photon
- Planck Constant
- Planck-Einstein Energy of Light Equation
- Potential Energy
- Potential Energy of a Fluid
- Power
- Power Equation
- Pressure/Displacement Amplitude Relationship
- Radiation
- Radiation Absorption Rate Equation
- Radiation Rate Equation
- Reflective Standing Wave Equation
- Refractive Index
- Refractive Index Equation
- Relative Frequency Equation
- Relaxed State
- Restoring Force
- Resultant Vector
- Right-Hand Rule
- Rotational (Angular) Kinetic Energy Equation
- Rotational Energy
- Scalar
- Simple Harmonic Motion
- Sine Wave Function
- Snell's Law
- Snell's Law Equation
- Sound Level Equation
- Sound Levels
- Sound Wave
- Sound Waves - Displacement Function
- Sound Waves - Pressure Function
- Source
- Specific Gravity
- Specific Gravity (Submerged Volume) Approach
- Specific Gravity Equation
- Specific Heat
- Specific Heat Equation
- Speed Equation
- Speed of Light
- Speed of Sound Equation
- Spring Force
- Spring Force Equation
- Spring Potential Energy
- Spring Potential Energy Equation
- Standing Wave
- Static Friction
- Steady-State
- Stefan Boltzman Constant
- Table 1.4.1: List of Coefficient of Frictions
- Table 3.4.1: Kepler’s Third Law
- Table 6.2.1.1: Moment of Inertias for Rods and Cones
- Table 6.2.1.2: Moment of Inertias for Cylinders
- Table 6.2.1.3: Moment of Inertias for Circular Shapes
- Table 6.4.1: Linear vs. Angular Equations
- Table 7.3.1: Material Conductivities
- Table 7.4.1: Coefficients of Linear Expansion
- Table 8.1.1: Various R-Values with Different Units
- Table 8.4.1: a & b Constants for Various Gases
- Table 9.3.1: Refractive Indexes of Different Mediums
- Temperature
- Tension
- Terminal Velocity
- Thermal Conductivity
- Thermal Expansion
- Thermal Resistance
- Thermal Resistance Equation
- Torque
- Torque Equation in terms of Angular Acceleration
- Transverse Wave
- Two Standing Waves Equation with Different Amplitudes
- Two Wave Interference Equation
- Two-State Gas Law Equation
- Uniform Circular Motion
- Unit Vector
- Van der Waals Forces
- Vector
- Velocity
- Velocity Equation
- Volume Expansion Equation
- Wave Interference
- Wave Interference Equation
- Wave Speed Equation
- Wavelength
- Wavelength of Light Equation
- Wavenumber
- Wavenumber Equation
- Waves with Equal Amplitude and Angular Frequency
- Weight
- Weight Equation
- Work
- Work Added Equation (With Kinetic Energy)
- Work Equation