Physics

Pure water freezes: Celsius, Kelvin, Fahrenheit, Rankine

0 273 32 492

Pressure from zero pressure is known as

Absolute pressure

______ equal to gauge pressure plus atmosphere pressure

Absolute pressure

Two types of lateral control

Aileron Elevator

Substance is its weight per volume

Density

The temperature at which air reaches a state it can hold no more water

Dew point

Speed represents the _____ an object in a given time

Distance

Pressure from existing barometric pressure is known as

Gauge pressure

Velocity is the rate of motion in a ....

Given direction

A device called a _____ is used for measuring specific gravity of ________

Hydrometer Liquid

Anything that occupies space and has weight

Mass

_______ is the foundation of any discussion of physics

Matter

Physics is sometimes called the science of _______ and _____

Matter Energy

Newton's first law

Objects at rest stay at rest. Objects in motion stay in motion

A body in motion will remain in motion unless acted upon by

Outside force

Energy classified as

Potential Kinetic

In English system power is In metric?

Pounds per second Joules per second

Amount of force acting on a surface area

Pressure

Five types of stress in mechanical bodies

Tension Compression Torsion Bending Shear

A lever is balance with sum equals

Zero

The angle between the chord line and the relative wind

angle of attack

Pressure formula

force/area

_______ is the force with which the gravity of the earth attracts a mass

weight

Absolute zero: Celsius, Fahrenheit

-273 -460

The maximum thickness of a subsonic airfoil occurs about ______ back from the leading edge

1/3

Pure water boils: Celsius, Kelvin, Fahrenheit, Rankine

100 373 212 672

Specific gravity of water indicated by hydrometer is

1000

How many known elements are there?

109

Specific gravity of fully charged lead acid is between

1275-1300

Standard sea level atmosphere pressure is

14.7 psi

Standard sea level temperature

15 Celsius 59 Fahrenheit

One BTU in heat energy

3.09

The acceleration due to gravity is _____ feet per second, per second

322

One btu in foot-pounds?

778

Specific gravity of gases is measured using ____

Air

What expands most when heated

Aluminum

Stabilators are normally equipped with ____________ tabs.

Anti-servo

Volume formula

Area x distance

smallest particle of an element

Atom

_________ is the force acting mutually between particles of matter

Attraction

Thin layer of air lying over the surface of the wing

Boundary layer

Heat in English system Metric system

British thermal unit Calorie

_______ force tends to pull an object away from its center of rotation

Centrifugal

The force that holds a body in a curved path and opposes centrifugal

Centripetal

Imaginary straight line running from the wings leading edge to its trailing edge

Chord line

In flight, what stress is top skin of wing?

Compression

Sound waves are made up of a series of ______ and ______

Compression and expansion

Heat transferred from high to low objects

Conduction

Heat transferred by heated fluid

Convection

Sound intensity measure by

Decibels

Newton's 3rd law

Equal and opposite reaction

In English system, work is In metric?

Foots-pounds Joule

If a _______ is applied the tendency will be for the object to move

Force

Two factors are involved with measurable work, they are _______ and ______

Force Distance

Newton's 2nd law

Force = mass x acceleration

Power calculated by

Force x distance

Area formula

Force/pressure

_______ determined by the amplitude of sound wave

Intensity

Four temperature scales

Kelvin Rankin Celsius fahrenheit

Energy that is in motion is defined as

Kinetic energy

Heat that causes a change of state but no temperature change is known as

Latent heat

3 axes

Longitudinal Lateral Vertical

Axes of aircraft

Longitudinal Lateral Vertical

The ratio of speed of an airplane to the speed of sound is measure in

Mach numbers

A vector must qualify both

Magnitude and direction

A force that tends to cause rotation about a point is called

Moment

Newton's 2nd law

Momentum

Work is calculated by

Multiplying force by distance

Boyle's Law Formula

P1V1=P2V2

Two types of drag

Parasite Induce

The primary airfoil design considerations include wing

Platform Camber Aspect radio Area

Stored energy or energy at rest is defined as

Potential energy

The ratio between the amount of moisture present in a given amount of air at a specific temperature and pressure and the maximum amount of moisture the air can hold under the same circumstances

Relative humidity

Relationship between the direction of airflow and the aircraft wing

Relative wind

mechanical advantage is calculated by

Resistance/effort

The force of friction for objects mounted on wheels or rollers is called

Rolling friction

Friction sliding over surface

Sliding friction

Disturbances that the human ear can detect

Sound

3 necessary for sound

Source Medium Detector

The ratio of the density of a solid or liquid to the density of water is known as

Specific gravity

The heat required the raise the temperature of a material 1 C compared to heat required to raise the temperature of the same amount of water is known as

Specific heat

"Breaking loose" friction

Static

The concept of power involves work but adds the consideration of

Time

Power is defined by

Time-rate of doing work

Force acting along a distance

Torque

Aileron moving _____ travels a greater distance from its neutral position when the control wheel is moved to its limit

Up

Distance Formula

Volume/area

Area formula

Volume/distance

Caused by air beneath the wing at a higher pressure

Wingtip vortices

The actual amount of water vapor in the air

absolute humidity

3 methods of heat transfer

conduction, convection, radiation

_______ pressure is actually nothing more than the difference between two pressures

differential

The capacity of doing work

energy

For every action there is an ______ and _______ reaction

equal and opposite

formula for acceleration

final velocity-initial velocity/time

_______ determines the pitch

frequency

Forces of flight

lift, weight, thrust, and drag

_____ allows us to multiply the force we apply to something

mechanical advantage

When atoms bond together they form...

molecules

Force formula

pressure x area