Quiz 4 Forces on Flying Object

This picture best represents

• Thrust

• Gravity

• Weight

• Lift

Air moving over and under the wings is providing an upward __________ force on the plane.

• Drag

• Lift

• Thrust

• Gravity

Air pushing back against the paper airplane is slowing it down, creating a __________ force.

• Lift

• Gravity

• Thrust

• Drag

The weight of the paper plane also affects its flight, as ____________ pulls it down towards Earth.

• Gravity

• Drag

• Lift

• Thrust

Big wings on an airplane will ______________the lift.

• Maintain

• Increase

• Decrease

• Not affect

Distance and Speed paper airplane depend on extra thrust to overcome gravity. What is maximized when you build?

• Apply a little weight

• Give it smaller wingspan

• Streamline it (like a dart)

• All of the above

Time in air paper airplane have lot of lift but little thrust. What is maximized when you build?

• The lighter the better

• A larger wingspan

• More of a glider like shape

• All of the above

The world largest paper airplane has a wingspan of

• 18.21 m

• 20.21 m

• 12.5 m

• 40.9 m

The heavier the paper airplane, the further it can glide.

• True

• False

Paper airplane can only be fold using a single sheet of paper.

• True

• False