Helicopter Mechanics Quiz

What is the primary function of the blades or rotors on a real helicopter?

• To provide stability

• To reduce noise

• To increase speed

• To create lift

How do helicopter rotors compare to airplane wings?

• They both increase speed

• They both reduce drag

• They both provide thrust

• They both create lift

What causes a paper helicopter to spin as it falls?

• Air pressing on the blades in opposite directions

• The weight of the paper

• The shape of the blades

• The speed at which it is thrown

What force is created when a paper helicopter is thrown into the air?

• Gravity

• Lift

• Thrust

• Air resistance

In what way does air interact with the blades of a paper helicopter?

• It pushes them upwards

• It pulls them downwards

• It spins them faster

• It presses on them in opposite directions