Air Resistance in Falling Objects

If there is no air resistance all objects fall at ..............................

• the same rate

• different rate

Air resistance is affected by...

• Temperature

• Speed

• Surface Area

• Weather

The upward force which is exerted against a falling object is

• gravity

• terminal velocity

• air resistance

• intertia

Air resistance is a form of ....................... that slows things down.

• gravity

• thrust

• friction

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

Tags

NGSS.MS-PS2-2

An airplane flies east at 400 km/hr. In which direction is the air resistance force acting upon the airplane?

• East

• West

• Up

• Down

Tags

NGSS.MS-PS2-2

Look at the pictures of the cars. Which car will have the most air resistance force acting upon it? They will be moving at the same speed.

• 
• 
• 
• All will have equal air resistance force.

Objects #1, #2, #3, and #4 are sliding across the table. All blocks move at the same speed of 2 m/s. The blocks have different masses.

Which block has the greatest air resistance force acting upon it?

• Block #1

• Block #3

• Block #4

• All will have equal air resistance force.

Tags

NGSS.MS-PS2-2

Blocks #1, #2, #3, and #4 have equal mass. All four blocks slide across the table with a speed of 2 m/s. Which block has the lowest air resistance force acting upon it?

• Block #1

• Block #2

• Block #4

• All have equal air resistance force.

Falling with air resistance:

_____ ____ fall faster because they accelerate to higher speeds before reaching terminal velocity

(a)  

Tags

NGSS.HS-PS2-1