Four Forces of Flight

Which basic flight force is responsible for pulling the airplane down?

• Lift

• Weight

• Drag

• Thrust

Tags

NGSS.MS-PS2-4

Which basic flight force allows a plane to fly or glide in the air?

• Lift

• Weight

• Drag

• Thrust

Which basic flight force causes wind resistances?

• Lift

• Weight

• Drag

• Thrust

As a bird’s wing moves forward through the air, the air pressure on the wing

• is equal above and below the wing.

• pushes the wing downward.

• is greater above the wing than beneath it.

• is less above the wing than beneath it.

What is the name of the upward force that enables a bird to fly?

• lift

• gravity

• air pressure

• flight path

What is the downward force that acts on an airplane in flight?

• lift

• drag

• thrust

• gravity

Tags

NGSS.MS-PS2-4

The upward force on a bird’s wing causes the bird to

• rise.

• fall.

• turn.

• speed up

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which force is responsible for moving an airplane forward?

• Lift

• Weight

• Drag

• Thrust

What force opposes the forward motion of an airplane?

• Lift

• Weight

• Drag

• Thrust

Which force must be greater than weight for an airplane to ascend?

• Lift

• Weight

• Drag

• Thrust