Aviation Physics

Definition of friction

Porosity is having pores or spaces where larger particles may fit when a mixture takes place

Speed and direction which an object moves is velocity

Hp produced divided by potential hp is the formula for what?

This flight control causes the airplane to move about the vertical access

Specific gravity is calculated by?

Flight control that causes airplane to move along the lateral axis

Maintain the wings level flight attitude

What device is used to measure specific gravity?

What is PSIA and what does it include?

What increases both the lift and drag for any angle of attack?

Example of a first class lever is?

Trim tabs create what?

Reading that refers to when an instrument displays pressure over and above ambient

Increased velocity, decreased static air pressure happens entering what duct?

Standard speed of sound and its temperature?

Heat in relation to kinetic energy is what?

What changes the pitch of the rotors in a helicopter?

Force that cuts through an object like knife through butter

Atmospheric pressure is measured with?

Weight divided by volume is the formula for density

Airflow can separate from the wing and lift will be destroyed when angle of attack it too?

Stress on an object being twisted

Difference of pressure read between two different locations in a system

Velocity decreases and static pressure decreases when air enter what duct?

Rate of change of velocity is what?

Tension, compression, torsion, bending, and shearing is 6 forms of what?

Where do the three axes of rotation intersect?

Mutual force acting between particles of matter which tend to draw them together defines what?

No two objects can occupy the same place at the same time is the definition of?

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

Who’s principle states the action of a liquid flowing through the varying cross-sectional areas of a tube

Dry air is less dense than water vapor

Humidity in air is affected more by take off than cruise altitude

Ducts or passages that allow high pressure air to flow from the bottom of the wing to the top

In the English system force is identified by pounds and the distance, ft-lbs or in-lbs

Where is the throttle located on a helicopter?

Who discovered buoyancy?

Static, sliding, rolling are 3 kinds of power?

When are all forces acted on a airplane are at equilibrium?

Initial response that an aircraft displays after its equilibrium is disrupted

Angle between the chord line and relative wind is what?

Forms of energy that heat can be created

What is the amount of force acting on a specific amount of surface area?

Methods of heat transfer

Any substance able to flow if it not someway confined or restricted

What Is a simple machine in form of wheel mounted on a fixed axis and supported by a frame?

Moisture in the air is called what?

Pressure set up in a fluid acts equally in all directions was discovered by?

Height of liquid and not the shape of container is the determination of what?

Tendency for nose to pitch up or down rotating around the lateral axis

energy unit that = the amount of heat required to change a temperature

Density and elasticity of a medium increase ____ of sound

Weight, thrust, lift, and drag are what acting on a plane

What does the law of conservation state?

What is the formula for power?

Drive gear is what class of lever?

Speed of sound increases when?

What are the axes of rotation?

Curvature present on top and bottom surface of a wing

Boyles and Charles combines what laws?

What determines the mechanical advantage of block and tackle?

What is the simplest machine?

Actual amount of water vapor in the mixture of air and water

Relationship between direction of airflow and aircraft wing

_____ is the intensity sound is measure in.

Air beneath the wing with higher pressure flowing over the wing tip and up toward the top of the wing

Flight control to move about the longitudinal axis?

What is the definition of torque?

Any device used to create a force when air is caused to flow over the service of a device

What is an anti torque system used for in a helicopter?

Liquids are known to be compressible

What is density?

Formula for force is?

Lever, pulley, wheel and axle, inclined plane and the gear are the 5 simple machines

Force that tries to crush an object

Kinetic and potential energy is something to give us the compactly to perform ____?

What scale is used for absolute temperature?

Pressure decreased with increased altitude is because of?

Amount of time is takes to react to the airplanes static stability after its been displaced from equilibrium (stability)

What is mechanical advantage the comparison of?

What must be known to determine density?

Ratio of amount of water vapor present in atmosphere to amount present if air was saturated

Kinetic energy is energy in ____ and Potential is energy at ____?

What is power measured in?

Temperature decreases uniformly with an increase in altitude

Any device that work may be accomplished is what?

Force that tries to pull and object apart