4th Grade Forces of Flight

Front

What is an unbalanced force?

Back

An unbalanced force is a force that causes an object to change its motion, such as turning or speeding up.

Front

What happens when an aircraft experiences an unbalanced force?

Back

The aircraft turns.

Front

What is a balanced force?

Back

A balanced force occurs when two forces acting on an object are equal in size and opposite in direction, resulting in no change in motion.

Front

What kind of force is shown in a picture of an aircraft flying straight?

Back

Balanced force.

Front

What is drag?

Back

Drag is a force that slows an aircraft down as it moves through the air.

Front

What is lift?

Back

Lift is the force that pushes an aircraft upward, allowing it to rise into the air.

Front

What is weight in terms of forces acting on an aircraft?

Back

Weight is the force that pulls down on the aircraft due to gravity.

Front

What is thrust?

Back

Thrust is the force that propels an aircraft forward.

Front

What do we call the main body of an aircraft?

Back

Fuselage.

Front

What are the wings of an aircraft used for?

Back

Wings generate lift, allowing the aircraft to fly.