1.1-1.2 Vocabulary study guide

Resistance of air against the forward movement of an airplane or rocket

• propulsion

• payload

• drag

• magnitude

• weight

The amount of matter in an object.

• Mass

• thrust

• drag

• magnitude

The means by which aircraft and spacecraft are pushed forward.

• payload

• drag

• propulsion

• force

The force of gravity that pulls objects downward.

• drag

• weight

• lift

• thrust

A push or pull on an object.

• lift

• drag

• gravity

• force

A force applied to body to propel in

• thrust

• density altitude

• payload

• lift

The weight of occupants, cargo, and baggage on board an aircraft.

• gravity

• weight

• drag

• payload

The size or quantity of something.

• mass

• gravity

• density altitude

• magnitude

The force that directly opposes the weight of an aircraft and holds the aircraft in the air. 

• drag

• weight

• thrust

• lift

The force that attracts a body toward the center of the earth or toward any other physical body having mass. 

• Gravity

• weight

• mass

• propulsion