Friction and air resistance

Which two of these forces act on parachutes?

• Air Resistance

• Gravity

• Thrust

• magnetism

Tags

NGSS.MS-PS2-2

What causes an object to fall faster?

• Smaller surface area

• Larger surface area

• If it has a parachute

• If it is softer

Tags

NGSS.MS-PS2-2

Another name for air resistance is...

• Streamline

• Gravity

• Drag

The larger the surface area of the moving object, the ___________ air resistance there is.

• less

• more

Air resistance pushes against falling

objects and __________________.

• Speeds them up

• Keeps them afloat

• Slows them down

• Spins them

Tags

NGSS.MS-PS2-2

Which has more air resistance?

• 
• 

Tags

NGSS.MS-PS2-2

The more streamlined an object is, the...

• More air resistance

• less air resistance

Tags

NGSS.MS-PS2-2

The rougher the surface, the faster an object will travel over the surface.

• True

• False

This friction is.....

• useful

• a problem

Tags

NGSS.MS-PS2-2

rue or False: Air resistance is a type of friction.

• True

• False