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mechanics, the force density is the negative gradient of pressure. It has the physical dimensions of force per unit volume. Force density is a vector field
Force_density
Mass per unit volume
Density (volumetric mass density or specific mass) is the ratio of a substance's mass to its volume. The symbol most often used for density is ρ (the
Density
Upward force that opposes the weight of an object immersed in fluid
of the force of gravity or other source of acceleration on objects of different densities, and for that reason is considered an apparent force, in the
Buoyancy
Force acting on charged particles in electric and magnetic fields
identities, the force density can be reformulated to eliminate explicit reference to the charge and current densities. The force density can then be written
Lorentz_force
Physical quantity
write the body force density as: ρ g = ∇ ( − ρ g z ) {\displaystyle \rho \mathbf {g} =\nabla (-\rho gz)} Then the body force density has a simple scalar
Hydrostatic_pressure
Ratio of two densities
Relative density, also called specific gravity, is a dimensionless quantity defined as the ratio of the density (mass divided by volume) of a substance
Relative_density
pressure gauge Bhangmeter Hydrometer Force gauge and Force Sensor Level sensor Load cell Magnetic level gauge Nuclear density gauge Piezocapacitive pressure
List_of_sensors
Force which acts throughout the volume of a body
the force per unit volume is of interest, it is referred to as the force density throughout the system. A body force is distinct from a contact force in
Body_force
Restoring force on bent magnetic field lines
tension is a restoring force with units of force density that acts to straighten bent magnetic field lines. In SI units, the force density f T {\displaystyle
Magnetic_tension
Mass per unit area
The area density (also known as areal density, surface density, superficial density, column density, or density thickness) of a two-dimensional object
Area_density
Electromagnetism in general relativity
},\end{aligned}}} where f μ {\displaystyle f_{\mu }} is the density of the Lorentz force, g α β {\displaystyle g^{\alpha \beta }} is the inverse of the
Maxwell's equations in curved spacetime
Maxwell's_equations_in_curved_spacetime
Force distributed over an area
negative gradient of pressure is called the force density. Another example is a knife. If the flat edge is used, force is distributed over a larger surface area
Pressure
Humanoid robot being developed by Tesla
cars" and have a carrying capacity of 45 lb (20 kg). To manage the high force density required for dynamic movement, the robot's linear actuators utilize
Optimus_(robot)
Statistical value in military science
defining the number of troops per population is also known as force density. The troop density has decreased through military history in proportion to the
Troop_density
Property of space that quantifies the magnetic influence at a given location
characterized by the magnetic field strength vector H and the magnetic flux density vector B." This standard also defines B and H as given in the sections
Magnetic_field
Abnormally low bone mineral density
Osteopenia, also called low bone mass or low bone density, is a condition in which bone density is low. Because their bones are weaker, people with osteopenia
Osteopenia
Buoyancy principle in fluid dynamics
surrounding fluid is of uniform density). The apparent weight of the object in the fluid is reduced, because of the force acting on it, which is called
Archimedes'_principle
Approximation in plasma physics
a force-free field, the electric current density is either zero or parallel to the magnetic field. When a magnetic field is approximated as force-free
Force-free_magnetic_field
Density of the nucleus of an atom
Nuclear density is the density of the nucleons (neutrons and protons) in the nucleus. For heavy nuclei, it is close to the nuclear saturation density n 0
Nuclear_density
Space rate of variation of pressure in a given direction
position. The gradient of pressure in hydrostatics is equal to the body force density (generalised Stevin's Law). In petroleum geology and the petrochemical
Pressure_gradient
Density gradient is a spatial variation in density over a region. The term is used in the natural sciences to describe varying density of matter, but can
Density_gradient
Relative importance of certain frequencies in a composite signal
is finite, one may compute the energy spectral density. More commonly used is the power spectral density (PSD, or simply power spectrum), which applies
Spectral_density
customary units, torque density is expressed in foot-pounds force per cubic foot, or inch-pounds force per cubic inch or ounce-force inches per cubic inch
Torque_density
Electric charge per unit length, area or volume
electromagnetism, charge density is the amount of electric charge per unit length, surface area, or volume. Volume charge density (symbolized by the Greek
Charge_density
Frame-dependent apparent force in Physics
A fictitious force, also known as an inertial force or pseudo-force, is a force that appears to act on an object when its motion is described or experienced
Fictitious_force
Altitude relative to standard atmospheric conditions
The density altitude is the altitude relative to standard atmospheric conditions at which the air density would be equal to the indicated air density at
Density_altitude
Probability density of electrons being somewhere
Electron density or electronic density is the measure of the probability of an electron being present at an infinitesimal element of space surrounding
Electron_density
Branch of physics which studies the behavior of materials modeled as continuous media
body is assumed to be continuous. Therefore, there exists a contact force density or Cauchy traction field T ( n , x , t ) {\displaystyle \mathbf {T}
Continuum_mechanics
Vehicle propulsion using electromagnetic fields
f is the force density (force per unit volume), ρ the charge density (charge per unit volume), E the electric field, J the current density (current per
Magnetohydrodynamic_drive
electric current density, ρ {\displaystyle \rho } the electric charge density, and f {\displaystyle \mathbf {f} } is the Lorentz force density. Bel–Robinson
Electromagnetic stress–energy tensor
Electromagnetic_stress–energy_tensor
Machine component that moves a mechanism
machineries due to their important size and high weight. They have a low force density respect to pneumatic and electromechanical actuators. An actuator may
Actuator
Physical quantity, density of magnetic moment per volume
negative gradient of which is the magnetic force on the paramagnet (or diamagnet) per unit volume (i.e. force density). In diamagnets ( χ < 0 {\displaystyle
Magnetization
Equilibrium between buoyancy and weight of an immersed object
object's average density is equal to the density of the fluid in which it is immersed, resulting in the buoyant force balancing the force of gravity that
Neutral_buoyancy
Computational quantum mechanical modelling method to investigate electronic structure
Density functional theory (DFT) is a computational quantum mechanical modeling method used in physics, chemistry and materials science to investigate
Density_functional_theory
Gun ballistic calculation
Sectional density (often abbreviated SD) is the ratio of an object's mass to its cross sectional area with respect to a given axis. It conveys how well
Sectional_density
Vector field describing the density of electric dipole moments in a dielectric material
electromagnetism, polarization density (or electric polarization, or simply polarization) is the vector field that expresses the volumetric density of permanent or induced
Polarization_density
Influence that can change motion of an object
some quantitative force laws were discovered: that the force of gravity is proportional to volume for objects of constant density (widely exploited for
Force
Non-local formulation of continuum mechanics
{\displaystyle {\bf {f}}} is the force density that x ′ {\displaystyle {\bf {x'}}} exerts on x {\displaystyle {\bf {x}}} . This force density depends on the relative
Peridynamics
Amount of charge flowing through a unit cross-sectional area per unit time
density is the electric current (or the amount of charge per unit time) that flows through a unit area of a chosen cross section. The current density
Current_density
Electromagnetic flow measurement technique
Lorentz force (with density f → = j → × B → {\displaystyle {\vec {f}}={\vec {j}}\times {\vec {B}}} ) which brakes the flow. The Lorentz force density is roughly
Lorentz_force_velocimetry
Type of audible sound
harmonics. Based on the Maxwell stress tensor, the force density can be related to the air-gap flux density with the respective series over time and spatial
Electromagnetically induced acoustic noise
Electromagnetically_induced_acoustic_noise
States of matter for water as a solid
through scientific research with various techniques including pressurization, force application, nucleation agents, and others. On Earth, most ice is found
Phases_of_ice
Set of quasilinear hyperbolic equations governing adiabatic and inviscid flow
where f = ρ g {\displaystyle \mathbf {f} =\rho \mathbf {g} } is the force density, a conservation variable. In differential convective form, the compressible
Euler equations (fluid dynamics)
Euler_equations_(fluid_dynamics)
The classical probability density is the probability density function that represents the likelihood of finding a particle in the vicinity of a certain
Classical_probability_density
Bipedal humanoid robot
as planetary roller screws and high-density neodymium magnets. This allowed the robot to match the force density of the previous hydraulic system while
Atlas_(robot)
Equation
respectively to the conservative variables, i.e. the momentum density and the force density: j = ρ u f = ρ a {\displaystyle {\begin{aligned}\mathbf {j}
Cauchy_momentum_equation
Mathematical concept applicable to physics
corresponding flux density is a flux according to the transport definition. Given a current such as electric current—charge per time, current density would also
Flux
deserts with fertile valleys. These states have relatively low population density due to indomitable physical barriers. The first population census in British
List of states and union territories of India by population
List_of_states_and_union_territories_of_India_by_population
Fundamental interaction between charged particles
molecular scale, including its density, is determined by the balance between the electromagnetic force and the force generated by the exchange of momentum
Electromagnetism
Force of attraction or repulsion between molecules and neighboring particles
force. In contrast, the influence of the repulsive force is essentially unaffected by temperature. When a gas is compressed to increase its density,
Intermolecular_force
Number of available physical states per energy unit
matter physics, the density of states (DOS) of a system describes the number of allowed modes or states per unit energy range. The density of states is defined
Density_of_states
Void between celestial bodies
and between celestial bodies. It contains ultra-low levels of particle densities, constituting a near-perfect vacuum of predominantly hydrogen and helium
Outer_space
Concept in fluid mechanics
\rho {\overline {u'_{i}u'_{j}}}} The divergence of this stress is the force density on the fluid due to the turbulent fluctuations. For instance, for an
Reynolds_stress
July 2006 Israeli airstrikes on Lebanon
Operation Density (or "Operation Specific Weight", Hebrew: מבצע משקל סגולי), also known as "The Fajr Night", was a military operation conducted by the
Operation_Density
the force exerted on the fluid at the surface of the body may be approximated by a distribution of Stokeslets along the axis with force density f ( s
Slender-body_theory
Engineered wood product
Medium-density fibreboard (MDF) is an engineered wood product made by breaking down hardwood or softwood residuals into wood fibre, often in a defibrator
Medium-density_fibreboard
Human-like hands of robots
sensitivity of 5 mN (near-human level). Hydraulic actuation provides high force density and compliance, enabling the robot to perform 98% of warehouse manual
Humanoid_hand
Physical quantity in electromagnetism
current density is the rate of change of the electric displacement field D, appearing as ∂D/∂t in Maxwell's equations. Displacement current density has the
Displacement_current_density
Energy density associated with a magnetic field
{\displaystyle P_{B}} has units of energy density. In ideal magnetohydrodynamics (MHD) the magnetic pressure force in an electrically conducting fluid with
Magnetic_pressure
Tensor describing energy momentum density in spacetime
It is an attribute of matter, radiation, and non-gravitational force fields. This density and flux of energy and momentum are the sources of the gravitational
Stress–energy_tensor
Lemma in numerical analysis of differential equations
influence of a force such that at every point x {\displaystyle x} between a {\displaystyle a} and b {\displaystyle b} the force density is f ( x ) e {\displaystyle
Céa's_lemma
Principle relating to fluid dynamics
where Ψ is the force potential at the point considered. For example, for the Earth's gravity Ψ = gz. By multiplying with the fluid density ρ, equation (A)
Bernoulli's_principle
the Quantum ESPRESSO plane wave code, a density-functional based tight binding (DFTB) module, a reactive force field module ReaxFF, and an implementation
Amsterdam_Density_Functional
Experiment measuring the force of gravity (1797–1798)
Cavendish's work. Instead, the result was originally expressed as the relative density of Earth, or equivalently the mass of Earth. His experiment gave the first
Cavendish_experiment
Fundamental physical law of electromagnetism
of force between two electrically charged particles at rest. This electric force is conventionally called the electrostatic force or Coulomb force. Although
Coulomb's_law
Technique for measuring the density of a living person's body
measuring the relative density of an object. It is a direct application of Archimedes' principle, that the upward buoyant force that is exerted on a body
Hydrostatic_weighing
The DM3 density meter (also known as the DM3 or SCIAM DM3 density meter) is a newly developed system for density measurement. A part of a continuous, in-line
DM3_density_meter
Compression of an electrically conducting filament by magnetic forces
its own magnetic field, a pinch is generated with an inward radial force density of j x B. In a steady state with forces balancing: ∇ p = ∇ ( p e + p
Pinch_(plasma_physics)
Retarding force on a body moving in a fluid
A} where F D {\displaystyle F_{\rm {D}}} is the drag force, ρ {\displaystyle \rho } is the density of the fluid, v {\displaystyle v} is the speed of the
Drag_(physics)
Spaceflight maneuver
force of about 7.4 N, and a maximum expected temperature as 170 °C. The force density (i.e. pressure), roughly 0.2 N per square meter, that was exerted on
Aerobraking
the centrifugal force is determined by the radius of particle location and the rotational speed. The formula for centrifugal force density is: f ω = N ω
Centrifugal micro-fluidic biochip
Centrifugal_micro-fluidic_biochip
State of balance between external forces on a fluid and internal pressure gradient
Finally, the weight of the volume element causes a force downwards. If the density is ρ, the volume is V and g the standard gravity, then: F weight
Hydrostatic_equilibrium
Highest velocity attainable by a falling object
high altitude where the density of the air is much lower than at the Earth's surface, producing a correspondingly lower drag force. The biologist J. B. S
Terminal_velocity
Fraction of graph maps that are homomorphisms
homomorphism density and subgraph density are in fact equal (for G {\displaystyle G} without self-loops), as the edges of K m {\displaystyle K_{m}} force all images
Homomorphism_density
Force perpendicular to flow of surrounding fluid
air density, and airspeed. Pressure is the normal force per unit area exerted by the air on itself and on surfaces that it touches. The lift force is transmitted
Lift_(force)
Apparent force in a rotating reference frame
In physics, the Coriolis force is a pseudo-force that acts on objects in motion within a frame of reference that rotates with respect to an inertial frame
Coriolis_force
Compact astronomical body
part of a letter published in 1784, calculated that a star with the same density but 500 times the radius of the sun would not let any emitted light escape;
Black_hole
Mechanical process
involves the use of the centrifugal force to separate particles from a solution according to their size, shape, density, medium viscosity and rotor speed
Centrifugation
Island country in Southeast Asia
planning areas and hundreds of subzones. It has the second highest population density of any country, although there are numerous green and recreational spaces
Singapore
Device used to measure density of liquids
fluid is buoyed by a force equal to the weight of the fluid displaced by the submerged part of the suspended solid. The lower the density of the fluid, the
Hydrometer
Difference between mass and weight
this fluid is air, the force may be small.[citation needed] Normally, the effect of air buoyancy on objects of normal density is too small to be of any
Mass_versus_weight
Species of large cat
population density of 12–17 individuals per 100 km2 (39 sq mi) in an area of 521 km2 (201 sq mi). In northern Myanmar, the population density in a sampled
Tiger
Generalization of tensor fields
differential geometry, a tensor density or relative tensor is a generalization of the tensor field concept. A tensor density transforms as a tensor field
Tensor_density
the Earth can be obtained by assuming that the Earth's density is spherically symmetric. The force of gravity at a radius r depends only on the mass inside
Gravity_of_Earth
Chemical element with atomic number 74 (W)
also has the highest boiling point, at 5,930 °C (10,706 °F; 6,203 K). Its density is 19.254 g/cm3, comparable with that of uranium and gold, and much higher
Tungsten
Country in East Asia
has the highest population density at 450 persons/km2 (1200/sq mi) as of 2010[update], while Hokkaido has the lowest density of 64.5 persons/km2 as of
Japan
Type of flight system
by shrinking the gap between electrodes to micron size, the electric force density in the discharge region is increased by at least an order of magnitude
Wingless Electromagnetic Air Vehicle
Wingless_Electromagnetic_Air_Vehicle
Country in northern Europe
country in Europe. Its capital and largest city is Stockholm. The population density is 25.5 inhabitants per square kilometre (66/sq mi), and 88% of Swedes
Sweden
Spin-density wave (SDW) and charge-density wave (CDW) are names for two similar low-energy ordered states of solids. Both these states occur at low temperature
Spin_density_wave
Physical theory of the cosmos
that describes how the universe expanded from an initial state of high density and temperature. Various cosmological models based on the Big Bang concept
Big_Bang
Study of still or slow electric charges
charge density. The average electric field, half the external value, also exerts a force (Coulomb's law) on the conductor patch where the force f {\displaystyle
Electrostatics
well as in air. They have a force density of about 40 in a cantilever configuration, meaning that they can generate a tip force of almost 40 times their
Ionic polymer–metal composites
Ionic_polymer–metal_composites
Country in Oceania
100 km of the coast; the world average is 39%. Australia's population density is 3.5 inhabitants per square kilometre, which is one of the lowest in
Australia
German-born theoretical physicist (1879–1955)
fluctuations, giving a treatment of the density variations in a fluid at its critical point. Ordinarily, the density fluctuations are controlled by the second
Albert_Einstein
Scientific field of study
the density object it is falling through (e.g. density of air). He also stated that, when it comes to violent motion (motion of an object when a force is
Physics
Fillet – Finite element analysis – Fluid mechanics – Flywheel – Force – Force density – Four-stroke cycle – Four wheel drive – Friction – Front wheel
Index of mechanical engineering articles
Index_of_mechanical_engineering_articles
Colloid consisting of granular material and water
same amount of force as that needed to lift a car. It is impossible for a human to sink entirely into quicksand, due to the higher density of the fluid
Quicksand
Minesweeper of the United States Navy
capture and occupation, Density fired on the enemy in several suicide attacks. On 6 April she shot down several of the kamikaze force which struck the Fleet
USS_Density
Country in Northwestern Europe
849 sq mi) and has a population of more than 11.8 million; its population density of 383/km2 (990/sq mi) ranks 22nd in the world and sixth in Europe. The
Belgium
Type of inertial force
In Newtonian mechanics, a centrifugal force is a kind of fictitious force (or inertial force) that appears to act on all objects when viewed in a rotating
Centrifugal_force
FORCE DENSITY
FORCE DENSITY
Surname or Lastname
Italian
Italian : from the personal name Forte, from Late Latin fortis ‘strong’ (see Fort) or from a short form of a medieval personal name formed with this element, as for example Fortebraccio (‘strong arm’).Slovenian : shortened form of the personal name Fortunat, Latin Fortunatus.English : variant of Fort.
Boy/Male
Hindu, Indian, Parsi
Destructive Force
Girl/Female
Indian
Force to move forward, Force
Boy/Male
Hindu, Indian
Force; Might
Surname or Lastname
English
English : variant of Fosse. There has been some confusion with northwestern English force in the sense of ‘waterfall’, it is possible that the surname may also have arisen as a topographic name for someone living by a waterfall.French : topographic name for someone who lived by a fortress or stronghold, Old French force, Late Latin fortia, a derivative of fortis ‘strong’ (see Fort). There are several places named with this word (for example in Aude, and baronial lands in the Dordogne), and it may also be a habitational name from any of these.
Boy/Male
Biblical
Force.
Surname or Lastname
English
English : variant of Force.Perhaps an altered form of Dutch Voorhees.
Boy/Male
English
A shallow place used to cross a river or stream. Surname.
Boy/Male
Indian, Tamil
Force
Boy/Male
American, Australian, British, English
River Crossing; A Shallow Place Used to Cross a River; Stream; Surname
Surname or Lastname
English and Irish
English and Irish : variant spelling of Ford 1 and 2. This is a very common spelling in Ireland.Norwegian : habitational name from any of numerous farmsteads named Førde (there are eleven on the west coast), from Old Norse fyrði, dative of fjórðr ‘fjord’.
Boy/Male
Muslim
Strength, Force, Occupation
Surname or Lastname
English (Somerset and Avon)
English (Somerset and Avon) : variant of Fosse.Americanized form of French Fortier.
Boy/Male
Indian
God of force
Girl/Female
British, English
Force
Girl/Female
Hindi
Vital force.
Boy/Male
Tamil
Soul, Life force
Girl/Female
Muslim
Force to move forward, Force
Biblical
violence, force
Surname or Lastname
English and French
English and French : topographic name for someone who lived near a forge or smithy, Middle English, Old French forge (from Latin fabrica ‘workshop’, a derivative of faber ‘smith’, ‘workman’; compare Lefevre). The surname is thus in most cases a metonymic occupational name for a smith or someone employed by a smith.
FORCE DENSITY
FORCE DENSITY
Boy/Male
Tamil
Jyotirmoy | ஜà¯à®¯à¯‹à®¤à®¿à®°à®®à¯‹à®¯
Lustrous
Boy/Male
Gujarati, Hindu, Indian, Kannada, Marathi
Love; Affection
Boy/Male
British, English
Harmful
Boy/Male
Tamil
Girl/Female
Arabic, Australian, Christian, Danish, Farsi, French, German, Hebrew, Hindu, Indian, Marathi, Muslim, Swedish, Tamil
Jasmine Flower
Girl/Female
Tamil
Tree
Boy/Male
Hindu
Known lecturer
Girl/Female
Bengali, Hindu, Indian, Kannada, Marathi
Friend; Faithful; Trustworthy
Girl/Female
Indian
Initiation
Boy/Male
Muslim
Counselor of the religion (Islam)
FORCE DENSITY
FORCE DENSITY
FORCE DENSITY
FORCE DENSITY
FORCE DENSITY
n.
Any action between two bodies which changes, or tends to change, their relative condition as to rest or motion; or, more generally, which changes, or tends to change, any physical relation between them, whether mechanical, thermal, chemical, electrical, magnetic, or of any other kind; as, the force of gravity; cohesive force; centrifugal force.
v. t.
To stuff; to lard; to farce.
n.
To put in force; to cause to be executed; to make binding; to enforce.
n.
Strength or energy of body or mind; active power; vigor; might; often, an unusual degree of strength or energy; capacity of exercising an influence or producing an effect; especially, power to persuade, or convince, or impose obligation; pertinency; validity; special signification; as, the force of an appeal, an argument, a contract, or a term.
n.
Strength or power for war; hence, a body of land or naval combatants, with their appurtenances, ready for action; -- an armament; troops; warlike array; -- often in the plural; hence, a body of men prepared for action in other ways; as, the laboring force of a plantation.
n.
To exert to the utmost; to urge; hence, to strain; to urge to excessive, unnatural, or untimely action; to produce by unnatural effort; as, to force a consient or metaphor; to force a laugh; to force fruits.
v. i.
To make a difficult matter of anything; to labor; to hesitate; hence, to force of, to make much account of; to regard.
n.
To provide with forces; to reenforce; to strengthen by soldiers; to man; to garrison.
v. t.
Ridiculous or empty show; as, a mere farce.
a.
Done or produced with force or great labor, or by extraordinary exertion; hurried; strained; produced by unnatural effort or pressure; as, a forced style; a forced laugh.
pl.
of Fore tooth
n.
To compel, as by strength of evidence; as, to force conviction on the mind.
n.
To constrain to do or to forbear, by the exertion of a power not resistible; to compel by physical, moral, or intellectual means; to coerce; as, masters force slaves to labor.
v. i.
To be of force, importance, or weight; to matter.
n.
To allow the force of; to value; to care for.
v. t.
To impel forward slowly; as, to forge a ship forward.
prep.
Before; -- sometimes written 'fore as if a contraction of afore or before.
n.
One who, or that which, forces or drives.
imp. & p. p.
of Force
n.
The solid piston of a force pump; the instrument by which water is forced in a pump.