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Aerodynamics: Introduction to Mechanical Engineering- I

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Aerodynamics: Introduction to Mechanical Engineering- I

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Questions and Answers

What provides lift for an airplane?

Hot air inside the airplane

The shape of the airplane

The rotor blades on the airplane

The airplane's wings (correct)

What is the force that pulls back on something trying to move?

Drag (correct)

Lift

Friction

Weight

What causes more drag than air?

Lift

Friction

Water (correct)

Weight

What is a way of changing lift and drag of an airfoil, as mentioned in the text?

Changing shape by moveable flaps Signup and view all the answers

What is a study of the interaction of inertial, structural and aerodynamic forces on aircraft, buildings, and surface vehicles called?

Aeroelasticity Signup and view all the answers

What is aerodynamics?

The study of forces and motion of objects through air Signup and view all the answers

Which of the following reacts to aerodynamics according to the passage?

A kite in the sky Signup and view all the answers

What are the two basic sources of aerodynamic forces and moments on a body?

Shear stress distribution and pressure distribution Signup and view all the answers

Which type of body is characterized by pressure drag as most of the drag?

Blunt body Signup and view all the answers

What does aerodynamics study about airplanes?

Generation of force and moment on the airplane Signup and view all the answers