AERODYNAMICS IN AVIATION

What is aerodynamics?

• The way the air moves around things

• The way the things move around air

• The way the air passes through things

• The way the air flies in things

What are the four forces of flight?

• Thrust, weight, lift, and drag

• Thrust, weight, traction, and gravity

• Trust, weight, traction, and drag

• Thrust, gravity, atraction, and drag

Where does weight come from?

• From the friction that pushes upward on objects

• From the gravity that pushes upward on objects

• From the gravity that pulls downward on objects

• From the friction that pulls downward on objects

What is lift?

• The force that allows something to move upwards

• The force that stops something in the air

• The force that keeps something on the ground

• The force that pushes something downwards

How do the wings of an airplane provide lift?

• With its curved shape that makes the air flow slower above

• With its flat shape that makes the air flow slower below

• With its flat shape that makes the air flow faster below

• With its curved shape that makes the air flow faster above

What is drag?

• A force that pushes something upwards

• A force that keeps something in the air

• A force that propels something forward

• A force that tries to slow something down

What is thrust?

• The force that moves something backwards

• The force that pushes something upwards

• The force that moves something forwards

• The force that keeps something in the air

Where does an airplane get its propulsion from?

• From gravity

• From airfoils

• From engines

• From hyper-lift surfaces

How does an aircraft generate lift?

• By increasing weight

• By decreasing drag

• By increasing thrust

• By creating a pressure difference over the wings

What is the purpose of an airfoil on an airplane wing?

• To increase drag

• To decrease lift

• To increase lift

• To decrease thrust