Midterm I: Fluids

Definitions

100

A material that continously moves and deforms under sheer stress. 

Fluid

200

A material that is stable and firm

Solid

300

The result of the movement of tiny particles called atoms.

Heat energy

400

The force that attracts molecules of the same material together. 

Cohesive Force 

500

Sub-branch of fluid mechanics that is in charge of dealing with compression of air. 

Pneumatic

Physical Properties

100

The amount of force applied on a certain area

Pressure

200

The top layer of a liquid, where the cohesive forces act the most

Surface Tension

300

If an object has more particles (mass) but has the same size of another, we say that it has more __________. 

Density 

400

Due to the _________ between its particles, corn syrup is more viscuous than water. 

Friction

500

How much can you press a fluid, its a property called _____________.

Compressibility 

States of Matter

100

Liquid to solid

Freezing

200

Gas to Solid

Deposition

300

Solid to Gas

Sublimation

400

Liquid to Gas

Vaporization 

500

Gas to Plasma

Ionization

Historic Characters

100

Created a Principle about the study of Pressure 

*To complete points give full name.

Blaise Pascal 

200

Discovered the relationship between volume and temperature when pressure is constant

* Full name for complete points.

Jacques Charles 

300

What does ¨Archimedes¨ mean? 

The one that worries

400

 Is a gas law which states that the pressure exerted by a gas (of a given mass and kept at a constant volume) varies directly with the absolute

Gay-Lussac

500

What did Robert Boyle discovered? 

Stated that the pressure (p) of a given quantity of gas varies inversely with its volume (v) at constant temperature.

Formulas

100

Formula for Density

p = m/v

200

Formula for Pressure

P = F/A

300

Formula of Buoyant Force

F_b = pgV

400

Formula for Boyle´s Gas Law

P₁V₁ = P₂V₂ or PV = K

500

Formula of Pascal´s Principle

F2/F1 = A2/A1