Formula Symbols - N

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N

Symbol	Greek Symbol	Definition	US	Metric	Value
\(ln\)	-	natural logarithm	-	-	-
\(T_n\)	-	Neel temperature	-	-	-
\(F_n\)	-	net force	\(lbf\)	\(N\)	-
\(NPSH\)	-	net positive suction head	-	-	-
\(NPSH_a\)	-	net positive suction head available	-	-	-
\(E_v\)	-	neutron energy	constant	constant	\(3.8280\;x\;10^{-19}\;kg\;m^2\;/\;s^2\)
\(m_n\)	-	neutron mass	constant	constant	\(1.674\;927\;498\;04\;x\;10^{-27}\;kg\)
\(NPSH_r\)	-	net positive suction head required	-	-	-
\(\tau_n\)	tau	net torque	\(lbf-ft\)	\(N-m\)	-
\(n.a.\)	-	neutral axis (axis connecting beam cross-section centroids)	-	-	-
\(T_n\)	-	neutral particle temperature	-	-	-
\(N\)	-	neutron number	-	-	-
\(N\)	-	normality	-	\(GEW\;/\;L\)	-
\(Q_i\)	-	normal coordinates	-	-	-
\(F_n\)	-	normal force	\(lbf\)	\(N\)	-
\(P_n\)	-	normal load strength capacity for LRFD design	\(lb \;or\; kip\)	\(N \;or\; kN\)	-
\(V_n\)	-	normal shear strength capacity for LRFD beam design	\(lb \;or\; kip\)	\(N \;or\; kN\)	-
\(\sigma\)	sigma	normal stress	\(lbf\;/\;in^2\)	\(Pa\)	-
\(\sigma_{\theta} \)	sigma	normal stress in any oblique plane	\(lbf\;/\;in^2\)	\(Pa\)	-
\(\mu_n\)	mu	nuclear magneton	constant	constant	\(5.050\;783\;7461\;x\;10^{-27}\;J\;T^{-1}\)
\(m_n\)	-	nuclear mass	-	-	-
\(I\), \(\;J\)	-	nuclear spin	-	-	-
\(A\)	-	nucleon number	-	-	-
\(N\), \(\;n\), \(\;x\)	-	number	-	-	-
\(n\)	-	number density	\(ft^3\)	\(m^3\)	-
\(n\), \(n_a\)	-	number of active coils	-	-	-
\(N_c\)	-	number of coils	-	-	-
\(N_c\)	-	number of cycles	-	-	-
\(N\)	-	number of elements	-	-	-
\(N\)	-	number of molecules	-	-	-
\(n\)	-	number of moles	-	-	-
\(N\)	-	number of particles	-	-	-
\(P\)	-	number of phases	-	-	-
\(N\)	-	number of power strokes per minute	\(min^{-1}\)	-	-
\(N_t\), \(\;n\)	-	number of teeth	-	-	-
\(n_t\)	-	number of total coils	-	-	-
\(n\)	-	number of trust joints, nails or bolts	-	-	-
\(N\)	-	number of turns or revolutions	-	-	-
\(Nu\)	-	Nusselt number	Dimensionless	Dimensionless	-
\(G\)	-	Newtonian constant of gravitation	constant	constant	\(6.674\;30\;x\;10^{-11}\;m^3 kg^{-1} s^{-2}\)
\(N\)	-	Nyquist"s number	-	-	-
Symbol	Greek Symbol	Definition	US	Metric	Value