Definitions
===========

Laws that cannot be derived from other laws are considered as definitions.

.. py:currentmodule:: symplyphysics.definitions

**Contents:**

.. toctree::
    :maxdepth: 4

    definitions.vector
    definitions.acceleration_is_speed_derivative
    definitions.admittance_is_inverse_impedance
    definitions.angular_acceleration_is_angular_speed_derivative
    definitions.angular_speed_is_angular_distance_derivative
    definitions.angular_wavenumber_is_inverse_wavelength
    definitions.boltzmann_factor_via_state_energy_and_temperature
    definitions.compliance_is_inverse_stiffness
    definitions.compressibility_factor_is_deviation_from_ideal_gas
    definitions.current_is_charge_derivative
    definitions.damped_harmonic_oscillator_equation
    definitions.density_from_mass_volume
    definitions.electrical_conductance_is_inversed_resistance
    definitions.harmonic_oscillator_is_second_derivative_equation
    definitions.heat_capacity_ratio
    definitions.impedance_is_resistance_and_reactance
    definitions.impulse_is_integral_of_force_over_time
    definitions.intensity_of_sound_wave_is_rate_of_energy_transfer_over_area
    definitions.linear_coefficient_of_thermal_expansion
    definitions.lorentz_factor
    definitions.mass_flow_rate
    definitions.mass_fraction
    definitions.mechanical_energy_is_kinetic_and_potential_energy
    definitions.momentum_is_mass_times_speed
    definitions.net_force_is_sum_of_individual_forces
    definitions.number_density_is_number_of_objects_per_unit_volume
    definitions.period_from_angular_frequency
    definitions.power_is_energy_derivative
    definitions.quality_factor_is_energies_ratio
    definitions.radiant_exitance_is_radiant_flux_emitted_per_unit_area
    definitions.refractive_index_is_wave_speeds_ratio
    definitions.rotational_inertia_is_mass_times_squared_radius
    definitions.sound_level_in_decibels
    definitions.speed_is_distance_derivative
    definitions.temporal_frequency_from_period
    definitions.temporal_frequency_is_number_of_events_per_unit_time
    definitions.thermal_de_broglie_wavelength
    definitions.thermal_resistance_to_conduction
    definitions.thermodynamic_compressibility
    definitions.volumetric_coefficient_of_thermal_expansion
    definitions.wave_equation_in_one_dimension