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mass is required

Potential Energy

\) $ h \;=\; \dfrac{ PE }{ m \cdot g } $ Symbol English Metric $ PE $ = Potential Energy $ lbf-ft $ $ J $ $ m $ = Mass $ lbm $ $ kg $ $ g $ = Gravity $ft \;/\; sec^2$ $m \;/\; s^2$ $ h $ = Height $ ft $ $ m $ Potential energy,...

Newton's Law of Universal Gravitation

$m \;/\; s^2$ $ G $ = Universal Gravitational Constant $lbf-ft^2 \;/\; lbm^2$ $N - m^2 \;/\; kg^2$ $ m_1 $ = Mass of Object 1 $ lbm $ $ kg $ $ m_2 $ = Mass of Object 2 $ lbm $ $ kg $ $ r $ = Distance Between Centers of Masses \( ft...

Momentum

$ v \;=\; \dfrac{ p }{ m } $ Symbol English Metric $ p $ = Momentum $lbm-ft\;/\;sec$ $kg-m\;/\;s$ $ m $ = Object Mass $lbm$ $kg$ $ v $ = Object Velocity $ft\;/\;sec$ $m\;/\;s$ Momentum, abbreviated as $p$, also called linear motion...

Tank and Vessel Internals

and Vessel Internals Types Tray - These are perforated or solid plates installed horizontally inside a vessel to facilitate mass transfer processes like distillation, absorption, or stripping. They help separate and distribute fluids within the vessel....

Formula Symbols - C

$kg - m^{-3}$ - $Q_c$ - cement quantity - - - - $r_c$ - cement ratio dimensionless - $x_{cm}$ - center of mass $ft$ $m$ $m$ - $Ce$ - centrifuge number dimensionless dimensionless dimensionless - $F_c$ - centrifugal force $lbf$ $N$ $kg - m - s^{-2}$ -...

Formula Symbols - L

of linear momentum $\large{\frac{lbm-ft}{sec}}$ $\large{\frac{kg-m}{s}}$ $kg - m - s^{-1}$ - - - law of conservation of mass - - - - - - law of conservation of mechanical energy - - - - - - law of conservation of momentum - - - - - - law of...

Formula Symbols - N

- net positive suction head required - - - - $\tau_n$ tau net torque $lbf-ft$ $N-m$ $kg-m^2-s^{-2}$ - $m_n$ - neutron mass $lbm$ $kg$ $kg$ $1.674\;927\;498\;04(95)\;x\;10^{-27}$ $kg$ $N$ - neutron number - - - - $G$ - Newtonian constant of gravitation...

Formula Symbols - W

- O - P - Q - R - S - T - U - V - W - X - Y - Z SymbolGreek SymbolDefinitionEnglishMetricSIValue $\frac{m_w}{m_z}$ - W-to-Z mass ratio dimensionless constant dimensionless constant dimensionless constant $0.881\;53\;(17)$ $W$ - Wahl correction factor...

Relativistic Momentum

at speeds comparable to the speed of light. In classical mechanics, momentum is defined as the product of an object's mass and its velocity. However, when an object is moving at speeds that are a significant fraction of the speed of light, classical...

Terminal Velocity

}\) Symbol English Metric $ v_t $ = Terminal Velocity (maximum falling speed) $ft \;/\; sec$ $m \;/\; s$ $ m $ = Mass $lbm$ $kg$ $ g $ = Gravitational Acceleration $ft \;/\; sec^2$ $m \;/\; s^2$ $ C_d $ = Drag Coefficient...

Gravity

Metric $ g $ = Gravity $ft \;/\; sec^2$ $m \;/\; s^2$ $ PE $ = Potential Energy $ ft-lbf $ $ J $ $ m $ = Mass $ lbm $ $ kg $ $ h $ = Height $ ft $ $ m $ Gravity, abbreviated as $g$, also called gravitation, is the natural force...

Moment of Inertia of a Rectangle

English Metric $ I $ = Moment of Inertia $lbm\;/\;ft^2-sec$ $kg\;/\;m^2$ $ l $ = Length $ in $ $ mm $ $ m $ = Mass $ lbm $ $ kg $ $ w $ = Width $ in $ $ mm $ Moment of Inertia of a Rectangle Formulas, Solid Plane, x Axis \( I_x...

Specific Heat Capacity

Specific Heat Capacity $Btu\;/\;lbm-F$ $kJ\;/\;kg-K$ $ c $ = Specific Heat $Btu\;/\;lbm-F$ $kJ\;/\;kg-K$ $ m $ = Mass $lbm$ $kg$ $ \Delta T $ = Change in Temperature $^\circ F$ $^\circ K$ Specific heat capacity, abbreviated as...

Air Flow Rate through Piping

$ 3.141 592 653...$ $ d $ = Pipe Inside Diameter $ in $ $ mm $ Air flow rate through piping refers to the volume or mass of air that passes through a specific section of piping over a given period of time. It's a crucial parameter in various...

Wet Steam Dryness Fraction

English Metric $ \zeta $ (Greek symbol zeta) = dryness fraction $dimensionless$ $dimensionless$ $ w_s $ = Steam Mass $lbm$ $kg$ $ w_w $ = Water Mass $lbm$ $kg$ Wet steam dryness fraction, abbreviated as $ \zeta $ (Greek symbol zeta),...

Specific Internal Energy

Metric $ u $ = Specific Internal Energy $Btu\;/\;lbm$ $kJ\;/\;kg$ $ U $ = Internal Energy $Btu$ $ J $ $ m $ = Mass $ lbm $ $ kg $ Specific internal energy, abbreviated as $u$, is a thermodynamic property that represents the energy...

Open, Closed, and Isolated Systems

being analyzed and the assumptions made about the system. For example, an open boundary may be chosen for a system if mass exchange with the surroundings is important, while a closed boundary may be used if only energy exchange is relevant. An isolated...

Angular Momentum of an Object with Linear Momentum

}\) Symbol English Metric $ L $ = angular momentum $lbm-ft^2 \;/\; sec$ $kg-m^2 \;/\; s$ $ m $ (Greek symbol tau) = mass $lbm$ $kg$ $ v $ = velocity $ft \;/\; sec$ $m \;/\; s$ $ r_{\perp} $ = perpendicular radius is from a chosen...

Translational Kinetic Energy

2 \cdot KE_t }{ m } }\) Symbol English Metric $ KE_r $ = Translational Kinetic Energy $ lbf-ft $ $J $ $ m $ = Mass $ lbm $ $ kg $ $ v $ = Velocity $ft\;/\;sec$ $m\;/\;s$ Translational kinetic energy, abbreviated as $KE_t$, is the...

Newton's First Law

is fundamental to Newton's first law. Inertia refers to an object's resistance to a change in its state of motion. The more massive an object is, the greater its inertia. This means that objects with more mass require more force to accelerate or...

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