Friction and Resistance

What is air resistance?

• A force that slows objects moving through air

• A force that pushes objects forward

• A force that pulls objects downward

• A force that makes objects heavier

Which force helps boats float on water?

• Gravity

• Friction

• Upthrust

• Air Resistance

Which of these surfaces would create the most friction?

• Ice

• A smooth wooden floor

• A rough, rocky road.

• A wet slide

What is the force that pulls objects toward the Earth?

• Friction

• Gravity

• Drag

• Upthrust

How can you reduce air resistance on a moving object?

• Make it bigger and wider

• Give it a smooth, streamlined shape

• Increase its weight

• Cover it in rough material

What is drag?

• The force that helps objects move faster in water

• A force that slows down objects moving through a fluid (air or water)

• A force that makes objects heavier

• A pushing force

Why do parachutes slow a person down when falling?

• They increase air resistance

• They increase gravity

• They create more friction with the ground

• They increase upthrust