Air resistance

What causes an object to fall faster?

• Smaller surface area

• Larger surface area

• If it has a parachute

• If it is softer

The more streamlined an object is, the...

• More air resistance

• Less air resistance

• Slower air resistance

• Faster air resistance

An object is falling downward through Earth's atmosphere. In which direction is the air resistance force?

• Down

• Up

• Around the object

• Through the object

What is a parachute designed to maximize?

• Gravity

• Air Pressure

• Air Resistance

• Thrust

Another name for air resistance is...

• Buoyancy

• Streamline

• Gravity

• Drag

What makes objects fall to the earth

• Gravity

• Wind

• Force

• Air Pressure

Which two of these forces act on parachutes?

• Air Resistance

• Gravity

• Thrust

• Kinetic Energy

Air resistance pushes against falling

objects and __________________.

• Speeds them up

• Keeps them afloat

• Slows them down

• Spins them

The larger the parachute the ____________

• Less air resistance

• More surface tension

• Less drag

• More drag