Fluid Statics & Dynamics — Comprehensive Notes (PHY 131)

These flashcards cover key concepts in fluid statics and dynamics, designed to help reinforce understanding for the upcoming exam.

Fluids are substances that flow and take the shape of their __.

Container (liquids and gases)

The formula for density is __ = m/V.

ρ (rho) (kg/m³)

Pressure (P) is defined as __ per area.

Force

Gauge pressure is calculated as P - __.

P■ (surface pressure)

According to Pascal’s Principle, a change in pressure applied to an enclosed fluid is __ transmitted equally in all directions.

Transmitted

Archimedes’ Principle states that an object immersed in a fluid experiences an upward __ force equal to the weight of displaced fluid.

Buoyant

The Continuity Equation states that __ flow rate is constant for incompressible fluids.

Mass

Flow rate can be expressed as Q = __.

Av

Bernoulli’s Equation can be written as P + ½ρv² + ρgh = __.

Constant

In Bernoulli’s Pressure Difference Form, faster flow results in __ pressure.

Lower

A Pitot tube measures airspeed using __ difference.

Pressure

Surface Tension can be calculated with the formula F = __L.

γ (gamma)

The acceleration due to gravity (g) is approximately __ m/s².

9.80

Fluids at the same level have __ pressure.

Same

A narrower pipe leads to __ flow according to the continuity equation.

Faster

In hydraulic systems, force is amplified via __ ratio.

Area

The buoyant force is equal to the __ of displaced fluid.

Weight

A Pitot tube measures speed from __ difference.

Pressure