ELEMENTS OF PHYSICS I
Physics 221

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CHAPTER 10
Fluids

NEW CONCEPTS

FORMULAS

${\rm Pressure} = {{\rm Force}\over {\rm Area}}$
In liquid:

\begin{displaymath}P = \rho g h\end{displaymath}

Atmospheric pressure:

\begin{displaymath}P_{atm} = 1.013\times 10^5 N/m^2\end{displaymath}

Equation of continuity for incompressible fluid:

\begin{displaymath}Av = {\rm constant}\end{displaymath}

Bernoulli's equation:

\begin{displaymath}P_1 + {1\over 2} \rho v_1^2 + \rho gy_1 = P_2 + {1\over 2} \rho v_2^2 + \rho gy_2\end{displaymath}

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